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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.296 by root, Wed Jul 4 07:09:06 2007 UTC vs.
Revision 1.565 by root, Sat Apr 30 05:41:17 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 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
25	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
26	use BDB ();	54	use BDB ();
27	use Data::Dumper;	55	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	56	use Fcntl;
30	use YAML::Syck ();	57	use YAML::XS ();
31	use IO::AIO 2.32 ();	58	use IO::AIO ();
32	use Time::HiRes;	59	use Time::HiRes;
33	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
34		64
35	# configure various modules to our taste	65	# configure various modules to our taste
36	#	66	#
37	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
38	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";
39	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
40		75
41	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
42		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		78
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
49		82
50	our %COMMAND = ();	83	our %COMMAND = ();
51	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
52		85
53	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
54	our %EXTCMD = ();	87	our %EXTCMD = ();
55	our %EXTICMD = ();	88	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
58		91
59	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
61		96
62	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
63	our $DATADIR = datadir;	99	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
67	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
73		120
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	123	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
81		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
82	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
83	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
84		132
85	our %CFG;	133	our %CFG;
86		134
87	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
89		138
90	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
91	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
93		142
94	# used to convert map paths into valid unix filenames by replacing / by ∕	143	# used to convert map paths into valid unix filenames by replacing / by ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		145
97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	146	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
98	our $LOADAVG; # same thing, but with alpha-smoothing	147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
99	our $tick_start; # for load detecting purposes	149	our $TICK_START; # for load detecting purposes
		150
		151	our @POST_INIT;
		152
		153	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		154	our $REALLY_UNLOOP; # never set to true, please :)
100		155
101	binmode STDOUT;	156	binmode STDOUT;
102	binmode STDERR;	157	binmode STDERR;
103		158
104	# read virtual server time, if available	159	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	161	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
109	}	164	}
		165
		166	eval "sub TICK() { $TICK } 1" or die;
110		167
111	mkdir $_	168	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
113		170
114	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
115		172
116	sub cf::map::normalise;	173	sub cf::map::normalise;
		174
		175	sub in_main() {
		176	$Coro::current == $Coro::main
		177	}
		178
		179	#############################################################################
		180
		181	%REFLECT = ();
		182	for (@REFLECT) {
		183	my $reflect = JSON::XS::decode_json $_;
		184	$REFLECT{$reflect->{class}} = $reflect;
		185	}
		186
		187	# this is decidedly evil
		188	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
117		189
118	#############################################################################	190	#############################################################################
119		191
120	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
121		193
…		…
157		229
158	The raw value load value from the last tick.	230	The raw value load value from the last tick.
159		231
160	=item %cf::CFG	232	=item %cf::CFG
161		233
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	235	from wherever your confdir points to.
164		236
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		238
167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	239	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
168	returns directly I<after> the tick processing (and consequently, can only wake one process	240	returns directly I<after> the tick processing (and consequently, can only wake one thread
169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
170		242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
		248	=item @cf::INVOKE_RESULTS
		249
		250	This array contains the results of the last C<invoke ()> call. When
		251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		252	that call.
		253
		254	=item %cf::REFLECT
		255
		256	Contains, for each (C++) class name, a hash reference with information
		257	about object members (methods, scalars, arrays and flags) and other
		258	metadata, which is useful for introspection.
		259
171	=back	260	=back
172		261
173	=cut	262	=cut
174		263
175	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
176	*CORE::GLOBAL::warn = sub {	265	sub warn (@) { LOG llevWarn , join "", @_ }
		266	sub info (@) { LOG llevInfo , join "", @_ }
		267	sub debug(@) { LOG llevDebug, join "", @_ }
		268	sub trace(@) { LOG llevTrace, join "", @_ }
		269
		270	$Coro::State::WARNHOOK = sub {
177	my $msg = join "", @_;	271	my $msg = join "", @_;
178		272
179	$msg .= "\n"	273	$msg .= "\n"
180	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
181		275
182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
183		277
184	utf8::encode $msg;
185	LOG llevError, $msg;	278	LOG llevWarn, $msg;
186	};	279	};
187	}	280
		281	$Coro::State::DIEHOOK = sub {
		282	return unless $^S eq 0; # "eq", not "=="
		283
		284	error Carp::longmess $_[0];
		285
		286	if (in_main) {#d#
		287	error "DIEHOOK called in main context, Coro bug?\n";#d#
		288	return;#d#
		289	}#d#
		290
		291	# kill coroutine otherwise
		292	Coro::terminate
		293	};
188		294
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	305	for my $pkg (qw(
200	cf::global cf::attachable	306	cf::global cf::attachable
201	cf::object cf::object::player	307	cf::object cf::object::player
202	cf::client cf::player	308	cf::client cf::player
203	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
204	cf::map cf::party cf::region	311	cf::party cf::region
205	)) {	312	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	314	}
209		315
210	$Event::DIED = sub {	316	$EV::DIED = sub {
211	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
212	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
213		324
214	#############################################################################	325	#############################################################################
215		326
216	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
217		328
…		…
238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	349	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
239	$d	350	$d
240	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
241	}	352	}
242		353
		354	=item $scalar = load_file $path
		355
		356	Loads the given file from path and returns its contents. Croaks on error
		357	and can block.
		358
		359	=cut
		360
		361	sub load_file($) {
		362	0 <= aio_load $_[0], my $data
		363	or Carp::croak "$_[0]: $!";
		364
		365	$data
		366	}
		367
243	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
244		369
245	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
246		371
247	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
248		373
249	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
250		375
251	=cut	376	=cut
252		377
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		379
255	sub to_json ($) { $json_coder->encode ($_[0]) }	380	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[0]) }	381	sub decode_json($) { $json_coder->decode ($_[0]) }
		382
		383	=item $ref = cf::decode_storable $scalar
		384
		385	Same as Coro::Storable::thaw, so blocks.
		386
		387	=cut
		388
		389	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		390
		391	=item $ref = cf::decode_yaml $scalar
		392
		393	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		394
		395	=cut
		396
		397	sub decode_yaml($) {
		398	fork_call { YAML::XS::Load $_[0] } @_
		399	}
		400
		401	=item $scalar = cf::unlzf $scalar
		402
		403	Same as Compress::LZF::compress, but takes server ticks into account, so
		404	blocks.
		405
		406	=cut
		407
		408	sub unlzf($) {
		409	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		410	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		411	Compress::LZF::decompress $_[0]
		412	}
		413
		414	=item cf::post_init { BLOCK }
		415
		416	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		417	but I<before> the server starts ticking again.
		418
		419	The codeblock will have a single boolean argument to indicate whether this
		420	is a reload or not.
		421
		422	=cut
		423
		424	sub post_init(&) {
		425	push @POST_INIT, shift;
		426	}
		427
		428	sub _post_init {
		429	trace "running post_init jobs";
		430
		431	# run them in parallel...
		432
		433	my @join;
		434
		435	while () {
		436	push @join, map &Coro::async ($_, 0), @POST_INIT;
		437	@POST_INIT = ();
		438
		439	@join or last;
		440
		441	(pop @join)->join;
		442	}
		443	}
257		444
258	=item cf::lock_wait $string	445	=item cf::lock_wait $string
259		446
260	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
261		448
262	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
263		450
264	Wait until the given lock is available and then acquires it and returns	451	Wait until the given lock is available and then acquires it and returns
265	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	452	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
266	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
267	returned.	454	returned.
268		455
		456	Locks are *not* recursive, locking from the same coro twice results in a
		457	deadlocked coro.
		458
269	Lock names should begin with a unique identifier (for example, cf::map::find	459	Lock names should begin with a unique identifier (for example, cf::map::find
270	uses map_find and cf::map::load uses map_load).	460	uses map_find and cf::map::load uses map_load).
271		461
272	=item $locked = cf::lock_active $string	462	=item $locked = cf::lock_active $string
273		463
274	Return true if the lock is currently active, i.e. somebody has locked it.	464	Return true if the lock is currently active, i.e. somebody has locked it.
275		465
276	=cut	466	=cut
277		467
278	our %LOCK;	468	our $LOCKS = new Coro::SemaphoreSet;
279		469
280	sub lock_wait($) {	470	sub lock_wait($) {
281	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
282
283	# wait for lock, if any
284	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;
287	}
288	}	472	}
289		473
290	sub lock_acquire($) {	474	sub lock_acquire($) {
291	my ($key) = @_;	475	$LOCKS->guard ($_[0])
292
293	# wait, to be sure we are not locked
294	lock_wait $key;
295
296	$LOCK{$key} = [];
297
298	Coro::guard {
299	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };
301	}
302	}	476	}
303		477
304	sub lock_active($) {	478	sub lock_active($) {
305	my ($key) = @_;	479	$LOCKS->count ($_[0]) < 1
306
307	! ! $LOCK{$key}
308	}	480	}
309		481
310	sub freeze_mainloop {	482	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
312		484
313	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
314	$TICK_WATCHER->start;	486	}
		487
		488	=item cf::periodic $interval, $cb
		489
		490	Like EV::periodic, but randomly selects a starting point so that the actions
		491	get spread over time.
		492
		493	=cut
		494
		495	sub periodic($$) {
		496	my ($interval, $cb) = @_;
		497
		498	my $start = rand List::Util::min 180, $interval;
		499
		500	EV::periodic $start, $interval, 0, $cb
		501	}
		502
		503	=item cf::get_slot $time[, $priority[, $name]]
		504
		505	Allocate $time seconds of blocking CPU time at priority C<$priority>
		506	(default: 0): This call blocks and returns only when you have at least
		507	C<$time> seconds of cpu time till the next tick. The slot is only valid
		508	till the next cede.
		509
		510	Background jobs should use a priority les than zero, interactive jobs
		511	should use 100 or more.
		512
		513	The optional C<$name> can be used to identify the job to run. It might be
		514	used for statistical purposes and should identify the same time-class.
		515
		516	Useful for short background jobs.
		517
		518	=cut
		519
		520	our @SLOT_QUEUE;
		521	our $SLOT_QUEUE;
		522	our $SLOT_DECAY = 0.9;
		523
		524	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		525	$SLOT_QUEUE = Coro::async {
		526	$Coro::current->desc ("timeslot manager");
		527
		528	my $signal = new Coro::Signal;
		529	my $busy;
		530
		531	while () {
		532	next_job:
		533
		534	my $avail = cf::till_tick;
		535
		536	for (0 .. $#SLOT_QUEUE) {
		537	if ($SLOT_QUEUE[$_][0] <= $avail) {
		538	$busy = 0;
		539	my $job = splice @SLOT_QUEUE, $_, 1, ();
		540	$job->[2]->send;
		541	Coro::cede;
		542	goto next_job;
		543	} else {
		544	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		545	}
		546	}
		547
		548	if (@SLOT_QUEUE) {
		549	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		550	push @cf::WAIT_FOR_TICK, $signal;
		551	$signal->wait;
		552	} else {
		553	$busy = 0;
		554	Coro::schedule;
		555	}
315	};	556	}
316	$TICK_WATCHER->stop;	557	};
317	$guard	558
		559	sub get_slot($;$$) {
		560	return if tick_inhibit || $Coro::current == $Coro::main;
		561
		562	my ($time, $pri, $name) = @_;
		563
		564	$time = clamp $time, 0.01, $TICK * .6;
		565
		566	my $sig = new Coro::Signal;
		567
		568	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		569	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		570	$SLOT_QUEUE->ready;
		571	$sig->wait;
318	}	572	}
319		573
320	=item cf::async { BLOCK }	574	=item cf::async { BLOCK }
321		575
322	Currently the same as Coro::async_pool, meaning you cannot use	576	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		581
328	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
329		583
330	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
331		585
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	586	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	587	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	588	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	589	acceptable.
336		590
337	If it must be done, put the blocking parts into C<sync_job>. This will run	591	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	592	the given BLOCK in another coroutine while waiting for the result. The
…		…
342	=cut	596	=cut
343		597
344	sub sync_job(&) {	598	sub sync_job(&) {
345	my ($job) = @_;	599	my ($job) = @_;
346		600
347	if ($Coro::current == $Coro::main) {	601	if (in_main) {
348	my $time = Event::time;	602	my $time = AE::time;
349		603
350	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
352		606
353	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	608
355	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
356		610
357	my $busy = 1;	611	my $busy = 1;
358	my @res;	612	my @res;
359		613
360	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	616	@res = eval { $job->() };
362	warn $@ if $@;	617	error $@ if $@;
363	undef $busy;	618	undef $busy;
364	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
365		620
366	while ($busy) {	621	while ($busy) {
367	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
368	}	626	}
		627	}
369		628
370	$time = Event::time - $time;	629	my $time = AE::time - $time;
371		630
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	631	$TICK_START += $time; # do not account sync jobs to server load
376		632
377	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
378	} else {	634	} else {
379	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
380		636
…		…
400	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
401		657
402	$coro	658	$coro
403	}	659	}
404		660
405	=item fork_call { }, $args	661	=item fork_call { }, @args
406		662
407	Executes the given code block with the given arguments in a seperate	663	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	664	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	665	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	666	never block itself or use any form of event handling.
411		667
412	=cut	668	=cut
		669
		670	sub post_fork {
		671	reset_signals;
		672	}
413		673
414	sub fork_call(&@) {	674	sub fork_call(&@) {
415	my ($cb, @args) = @_;	675	my ($cb, @args) = @_;
416		676
417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	677	# we seemingly have to make a local copy of the whole thing,
418	# or die "socketpair: $!";	678	# otherwise perl prematurely frees the stuff :/
419	pipe my $fh1, my $fh2	679	# TODO: investigate and fix (likely this will be rather laborious)
420	or die "pipe: $!";
421		680
422	if (my $pid = fork) {	681	my @res = Coro::Util::fork_eval {
423	close $fh2;	682	cf::post_fork;
		683	&$cb
		684	} @args;
424		685
425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	686	wantarray ? @res : $res[-1]
426	$res = Coro::Storable::thaw $res;	687	}
427		688
428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	689	sub objinfo {
429
430	die $$res unless "ARRAY" eq ref $res;
431
432	return wantarray ? @$res : $res->[-1];
433	} else {
434	reset_signals;
435	local $SIG{__WARN__};
436	local $SIG{__DIE__};
437	eval {
438	close $fh1;
439
440	my @res = eval { $cb->(@args) };
441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
442	};
443
444	warn $@ if $@;
445	_exit 0;
446	}	690	(
		691	"counter value" => cf::object::object_count,
		692	"objects created" => cf::object::create_count,
		693	"objects destroyed" => cf::object::destroy_count,
		694	"freelist size" => cf::object::free_count,
		695	"allocated objects" => cf::object::objects_size,
		696	"active objects" => cf::object::actives_size,
		697	)
		698	}
		699
		700	=item $coin = coin_from_name $name
		701
		702	=cut
		703
		704	our %coin_alias = (
		705	"silver" => "silvercoin",
		706	"silvercoin" => "silvercoin",
		707	"silvercoins" => "silvercoin",
		708	"gold" => "goldcoin",
		709	"goldcoin" => "goldcoin",
		710	"goldcoins" => "goldcoin",
		711	"platinum" => "platinacoin",
		712	"platinumcoin" => "platinacoin",
		713	"platinumcoins" => "platinacoin",
		714	"platina" => "platinacoin",
		715	"platinacoin" => "platinacoin",
		716	"platinacoins" => "platinacoin",
		717	"royalty" => "royalty",
		718	"royalties" => "royalty",
		719	);
		720
		721	sub coin_from_name($) {
		722	$coin_alias{$_[0]}
		723	? cf::arch::find $coin_alias{$_[0]}
		724	: undef
447	}	725	}
448		726
449	=item $value = cf::db_get $family => $key	727	=item $value = cf::db_get $family => $key
450		728
451	Returns a single value from the environment database.	729	Returns a single value from the environment database.
…		…
453	=item cf::db_put $family => $key => $value	731	=item cf::db_put $family => $key => $value
454		732
455	Stores the given C<$value> in the family. It can currently store binary	733	Stores the given C<$value> in the family. It can currently store binary
456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	734	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
457		735
		736	=item $db = cf::db_table "name"
		737
		738	Create and/or open a new database table. The string must not be "db" and must be unique
		739	within each server.
		740
458	=cut	741	=cut
		742
		743	sub db_table($) {
		744	cf::error "db_get called from main context"
		745	if $Coro::current == $Coro::main;
		746
		747	my ($name) = @_;
		748	my $db = BDB::db_create $DB_ENV;
		749
		750	eval {
		751	$db->set_flags (BDB::CHKSUM);
		752
		753	utf8::encode $name;
		754	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		755	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		756	cf::cleanup "db_open(db): $!" if $!;
		757	};
		758	cf::cleanup "db_open(db): $@" if $@;
		759
		760	$db
		761	}
459		762
460	our $DB;	763	our $DB;
461		764
462	sub db_init {	765	sub db_init {
463	unless ($DB) {	766	$DB ||= db_table "db";
464	$DB = BDB::db_create $DB_ENV;
465
466	cf::sync_job {
467	eval {
468	$DB->set_flags (BDB::CHKSUM);
469
470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
472	cf::cleanup "db_open(db): $!" if $!;
473	};
474	cf::cleanup "db_open(db): $@" if $@;
475	};
476	}
477	}	767	}
478		768
479	sub db_get($$) {	769	sub db_get($$) {
480	my $key = "$_[0]/$_[1]";	770	my $key = "$_[0]/$_[1]";
481		771
482	cf::sync_job {	772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
483	BDB::db_get $DB, undef, $key, my $data;	775	BDB::db_get $DB, undef, $key, my $data;
484		776
485	$! ? ()	777	$! ? ()
486	: $data	778	: $data
487	}
488	}	779	}
489		780
490	sub db_put($$$) {	781	sub db_put($$$) {
491	BDB::dbreq_pri 4;	782	BDB::dbreq_pri 4;
492	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
520		811
521	my @data;	812	my @data;
522	my $md5;	813	my $md5;
523		814
524	for (0 .. $#$src) {	815	for (0 .. $#$src) {
525	0 <= aio_load $src->[$_], $data[$_]	816	$data[$_] = load_file $src->[$_];
526	or Carp::croak "$src->[$_]: $!";
527	}	817	}
528		818
529	# if processing is expensive, check	819	# if processing is expensive, check
530	# checksum first	820	# checksum first
531	if (1) {	821	if (1) {
532	$md5 =	822	$md5 =
533	join "\x00",	823	join "\x00",
534	$processversion,	824	$processversion,
535	map {	825	map {
536	Coro::cede;	826	cf::cede_to_tick;
537	($src->[$_], Digest::MD5::md5_hex $data[$_])	827	($src->[$_], Digest::MD5::md5_hex $data[$_])
538	} 0.. $#$src;	828	} 0.. $#$src;
539		829
540		830
541	my $dbmd5 = db_get cache => "$id/md5";	831	my $dbmd5 = db_get cache => "$id/md5";
…		…
548		838
549	my $t1 = Time::HiRes::time;	839	my $t1 = Time::HiRes::time;
550	my $data = $process->(\@data);	840	my $data = $process->(\@data);
551	my $t2 = Time::HiRes::time;	841	my $t2 = Time::HiRes::time;
552		842
553	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
554		844
555	db_put cache => "$id/data", $data;	845	db_put cache => "$id/data", $data;
556	db_put cache => "$id/md5" , $md5;	846	db_put cache => "$id/md5" , $md5;
557	db_put cache => "$id/meta", $meta;	847	db_put cache => "$id/meta", $meta;
558		848
…		…
568		858
569	=cut	859	=cut
570		860
571	sub datalog($@) {	861	sub datalog($@) {
572	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
573	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
574	}	864	}
575		865
576	=back	866	=back
577		867
578	=cut	868	=cut
579		869
580	#############################################################################	870	#############################################################################
581		871
582	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
583		873
584	Many objects in crossfire are so-called attachable objects. That means you can	874	Many objects in deliantra are so-called attachable objects. That means you can
585	attach callbacks/event handlers (a collection of which is called an "attachment")	875	attach callbacks/event handlers (a collection of which is called an "attachment")
586	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
587		877
588	In the following description, CLASS can be any of C<global>, C<object>	878	In the following description, CLASS can be any of C<global>, C<object>
589	C<player>, C<client> or C<map> (i.e. the attachable objects in	879	C<player>, C<client> or C<map> (i.e. the attachable objects in
590	Crossfire TRT).	880	Deliantra).
591		881
592	=over 4	882	=over 4
593		883
594	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
595		885
…		…
639	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
640		930
641	Register an attachment by C<$name> through which attachable objects of the	931	Register an attachment by C<$name> through which attachable objects of the
642	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
643		933
644	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
645	that are attached at load/instantiate time, thus the need for a name.	935	that are attached at load/instantiate time, thus the need for a name.
646		936
647	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
648		938
649	=over 4	939	=over 4
…		…
773		1063
774	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
775	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
776		1066
777	} elsif (ref $type) {	1067	} elsif (ref $type) {
778	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
779		1069
780	} else {	1070	} else {
781	shift @arg;	1071	shift @arg;
782	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
783	}	1073	}
784	}	1074	}
785	}	1075	}
786		1076
787	sub _object_attach {	1077	sub _object_attach {
…		…
797	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
798	}	1088	}
799		1089
800	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
801	} else {	1091	} else {
802	warn "object uses attachment '$name' which is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
803	}	1093	}
804		1094
805	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
806	}	1096	}
807		1097
…		…
847	";	1137	";
848	die if $@;	1138	die if $@;
849	}	1139	}
850		1140
851	our $override;	1141	our $override;
852	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1142	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
853		1143
854	sub override {	1144	sub override {
855	$override = 1;	1145	$override = 1;
856	@invoke_results = ();	1146	@INVOKE_RESULTS = (@_);
857	}	1147	}
858		1148
859	sub do_invoke {	1149	sub do_invoke {
860	my $event = shift;	1150	my $event = shift;
861	my $callbacks = shift;	1151	my $callbacks = shift;
862		1152
863	@invoke_results = ();	1153	@INVOKE_RESULTS = ();
864		1154
865	local $override;	1155	local $override;
866		1156
867	for (@$callbacks) {	1157	for (@$callbacks) {
868	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
869		1159
870	if ($@) {	1160	if ($@) {
871	warn "$@";
872	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
873	override;	1162	override;
874	}	1163	}
875		1164
876	return 1 if $override;	1165	return 1 if $override;
877	}	1166	}
878		1167
879	0	1168	0
880	}	1169	}
881		1170
882	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
883		1172
884	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
885		1174
886	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
887		1176
888	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1177	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
889	removed in future versions), and there is no public API to access override	1178	removed in future versions), and there is no public API to access override
890	results (if you must, access C<@cf::invoke_results> directly).	1179	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
891		1180
892	=back	1181	=back
893		1182
894	=cut	1183	=cut
895		1184
896	#############################################################################	1185	#############################################################################
897	# object support	1186	# object support
		1187
		1188	sub _object_equal($$);
		1189	sub _object_equal($$) {
		1190	my ($a, $b) = @_;
		1191
		1192	return 0 unless (ref $a) eq (ref $b);
		1193
		1194	if ("HASH" eq ref $a) {
		1195	my @ka = keys %$a;
		1196	my @kb = keys %$b;
		1197
		1198	return 0 if @ka != @kb;
		1199
		1200	for (0 .. $#ka) {
		1201	return 0 unless $ka[$_] eq $kb[$_];
		1202	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1203	}
		1204
		1205	} elsif ("ARRAY" eq ref $a) {
		1206
		1207	return 0 if @$a != @$b;
		1208
		1209	for (0 .. $#$a) {
		1210	return 0 unless _object_equal $a->[$_], $b->[$_];
		1211	}
		1212
		1213	} elsif ($a ne $b) {
		1214	return 0;
		1215	}
		1216
		1217	1
		1218	}
		1219
		1220	our $SLOW_MERGES;#d#
		1221	sub _can_merge {
		1222	my ($ob1, $ob2) = @_;
		1223
		1224	++$SLOW_MERGES;#d#
		1225
		1226	# we do the slow way here
		1227	return _object_equal $ob1, $ob2
		1228	}
898		1229
899	sub reattach {	1230	sub reattach {
900	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
901	my ($obj) = @_;	1232	my ($obj) = @_;
902		1233
		1234	# no longer needed after getting rid of delete_package?
903	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1235	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
904		1236
905	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
906		1238
907	@$registry = ();	1239	@$registry = ();
908		1240
…		…
913	for (@$attach) {	1245	for (@$attach) {
914	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
915	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
916	}	1248	}
917	} else {	1249	} else {
918	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
919	}	1251	}
920	}	1252	}
921	}	1253	}
922		1254
923	cf::attachable->attach (	1255	cf::attachable->attach (
924	prio => -1000000,	1256	prio => -1000000,
925	on_instantiate => sub {	1257	on_instantiate => sub {
926	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
927		1259
928	$data = from_json $data;	1260	$data = decode_json $data;
929		1261
930	for (@$data) {	1262	for (@$data) {
931	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
932		1264
933	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
949	sub object_freezer_save {	1281	sub object_freezer_save {
950	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
951		1283
952	sync_job {	1284	sync_job {
953	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
954	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
955	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
956		1290
957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
960	aio_fsync $fh if $cf::USE_FSYNC;	1294	if ($cf::USE_FSYNC) {
		1295	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;
		1296	aio_fsync $fh;
		1297	}
961	close $fh;	1298	aio_close $fh;
962		1299
963	if (@$objs) {	1300	if (@$objs) {
964	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1301	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
965	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
966	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
967	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
968	aio_fsync $fh if $cf::USE_FSYNC;	1305	if ($cf::USE_FSYNC) {
		1306	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;
		1307	aio_fsync $fh;
		1308	}
969	close $fh;	1309	aio_close $fh;
970	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
971	}	1311	}
972	} else {	1312	} else {
973	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
974	}	1314	}
975		1315
976	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
977	} else {	1320	} else {
978	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
979	}	1322	}
980	} else {	1323	} else {
981	aio_unlink $filename;	1324	aio_unlink $filename;
982	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
983	}	1326	}
984	}	1327	};
985	}	1328	}
986		1329
987	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
988	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
989		1332
…		…
1001	or return;	1344	or return;
1002		1345
1003	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
1004	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
1005	or return;	1348	or return;
		1349
1006	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
1007	}	1352	}
1008		1353
		1354	utf8::decode (my $decname = $filename);
1009	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
1010	$filename, length $data, scalar @{$av || []};	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
1011	return ($data, $av);	1359	($data, $av)
1012	}	1360	}
1013		1361
1014	=head2 COMMAND CALLBACKS	1362	=head2 COMMAND CALLBACKS
1015		1363
1016	=over 4	1364	=over 4
…		…
1070	my ($name, $cb) = @_;	1418	my ($name, $cb) = @_;
1071		1419
1072	$EXTICMD{$name} = $cb;	1420	$EXTICMD{$name} = $cb;
1073	}	1421	}
1074		1422
		1423	use File::Glob ();
		1424
1075	cf::player->attach (	1425	cf::player->attach (
1076	on_command => sub {	1426	on_unknown_command => sub {
1077	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
1078		1428
1079	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
1080	or return;	1430	or return;
1081		1431
…		…
1089	my ($pl, $buf) = @_;	1439	my ($pl, $buf) = @_;
1090		1440
1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1441	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1092		1442
1093	if (ref $msg) {	1443	if (ref $msg) {
		1444	my ($type, $reply, @payload) =
		1445	"ARRAY" eq ref $msg
		1446	? @$msg
		1447	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1448
		1449	my @reply;
		1450
1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1451	if (my $cb = $EXTCMD{$type}) {
1095	if (my %reply = $cb->($pl, $msg)) {	1452	@reply = $cb->($pl, @payload);
1096	$pl->ext_reply ($msg->{msgid}, %reply);
1097	}
1098	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
1099	} else {	1458	} else {
1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1101	}	1460	}
1102		1461
1103	cf::override;	1462	cf::override;
1104	},	1463	},
1105	);	1464	);
1106		1465
		1466	# "readahead" all extensions
		1467	sub cache_extensions {
		1468	my $grp = IO::AIO::aio_group;
		1469
		1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1471	for (grep /\.ext$/, @{$_[0]}) {
		1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1473	}
		1474	};
		1475
		1476	$grp
		1477	}
		1478
1107	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
1108	cf::sync_job {	1482	cf::sync_job {
1109	my %todo;	1483	my %todo;
1110		1484
1111	for my $path (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
1112	next unless -r $path;	1486	next unless -r $path;
…		…
1130		1504
1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1133		1507
1134	$ext{source} =	1508	$ext{source} =
1135	"package $pkg; use strict; use utf8;\n"	1509	"package $pkg; use common::sense;\n"
1136	. "#line 1 \"$path\"\n{\n"	1510	. "#line 1 \"$path\"\n{\n"
1137	. $source	1511	. $source
1138	. "\n};\n1";	1512	. "\n};\n1";
1139		1513
1140	$todo{$base} = \%ext;	1514	$todo{$base} = \%ext;
1141	}	1515	}
1142		1516
		1517	my $pass = 0;
1143	my %done;	1518	my %done;
1144	while (%todo) {	1519	while (%todo) {
1145	my $progress;	1520	my $progress;
1146		1521
		1522	++$pass;
		1523
		1524	ext:
1147	while (my ($k, $v) = each %todo) {	1525	while (my ($k, $v) = each %todo) {
1148	for (split /,\s*/, $v->{meta}{depends}) {	1526	for (split /,\s*/, $v->{meta}{depends}) {
1149	goto skip	1527	next ext
1150	unless exists $done{$_};	1528	unless exists $done{$_};
1151	}	1529	}
1152		1530
1153	warn "... loading '$k' into '$v->{pkg}'\n";	1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1154		1532
1155	unless (eval $v->{source}) {	1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
1156	my $msg = $@ ? "$v->{path}: $@\n"	1536	error "$v->{path}: $@\n";
1157	: "$v->{base}: extension inactive.\n";
1158		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1159	if (exists $v->{meta}{mandatory}) {	1539	if exists $v->{meta}{mandatory};
1160	warn $msg;	1540
1161	warn "mandatory extension failed to load, exiting.\n";	1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1162	exit 1;	1542	delete $todo{$k};
1163	}	1543	} else {
1164		1544	$done{$k} = delete $todo{$k};
1165	warn $msg;	1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
1166	}	1550	}
1167
1168	$done{$k} = delete $todo{$k};
1169	push @EXTS, $v->{pkg};
1170	$progress = 1;
1171	}	1551	}
1172		1552
1173	skip:	1553	unless ($progress) {
1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1175	unless $progress;	1555
		1556	while (my ($k, $v) = each %todo) {
		1557	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559	}
		1560
		1561	last;
		1562	}
1176	}	1563	}
1177	};	1564	};
1178	}	1565	}
1179		1566
1180	#############################################################################	1567	#############################################################################
1181		1568
1182	=back	1569	=back
1183		1570
1184	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
1185		1572
1186	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
1187		1574
1188	=cut	1575	=cut
1189		1576
1190	package cf::player;	1577	package cf::player;
1191		1578
1192	use Coro::AIO;	1579	use Coro::AIO;
1193		1580
1194	=head3 cf::player	1581	=head3 cf::player
1195		1582
1196	=over 4	1583	=over 4
		1584
		1585	=item cf::player::num_playing
		1586
		1587	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1588
		1589	=cut
		1590
		1591	sub num_playing {
		1592	scalar grep
		1593	$_->ob->map
		1594	&& !$_->hidden
		1595	&& !$_->ob->flag (cf::FLAG_WIZ),
		1596	cf::player::list
		1597	}
1197		1598
1198	=item cf::player::find $login	1599	=item cf::player::find $login
1199		1600
1200	Returns the given player object, loading it if necessary (might block).	1601	Returns the given player object, loading it if necessary (might block).
1201		1602
…		…
1220		1621
1221	sub exists($) {	1622	sub exists($) {
1222	my ($login) = @_;	1623	my ($login) = @_;
1223		1624
1224	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
1225	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
1226	}	1627	}
1227		1628
1228	sub find($) {	1629	sub find($) {
1229	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
1230	my $login = $_[0];	1631	my $login = $_[0];
…		…
1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1638	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1639	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1640	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240	aio_unlink +(playerdir $login) . "/$login.pl";	1641	aio_unlink +(playerdir $login) . "/$login.pl";
1241		1642
1242	my $pl = load_pl path $login	1643	my $f = new_from_file cf::object::thawer path $login
1243	or return;	1644	or return;
		1645
		1646	my $pl = cf::player::load_pl $f
		1647	or return;
		1648
		1649	local $cf::PLAYER_LOADING{$login} = $pl;
		1650	$f->resolve_delayed_derefs;
1244	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1245	}	1652	}
1246	}	1653	}
1247	}	1654	}
		1655
		1656	cf::player->attach (
		1657	on_load => sub {
		1658	my ($pl, $path) = @_;
		1659
		1660	# restore slots saved in save, below
		1661	my $slots = delete $pl->{_slots};
		1662
		1663	$pl->ob->current_weapon ($slots->[0]);
		1664	$pl->combat_ob ($slots->[1]);
		1665	$pl->ranged_ob ($slots->[2]);
		1666	},
		1667	);
1248		1668
1249	sub save($) {	1669	sub save($) {
1250	my ($pl) = @_;	1670	my ($pl) = @_;
1251		1671
1252	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
…		…
1257	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1258		1678
1259	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1260	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
1261		1681
		1682	cf::get_slot 0.01;
		1683
		1684	# save slots, to be restored later
		1685	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1686
1262	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1263	Coro::cede;	1688	cf::cede_to_tick;
1264	}	1689	}
1265		1690
1266	sub new($) {	1691	sub new($) {
1267	my ($login) = @_;	1692	my ($login) = @_;
1268		1693
…		…
1274	$cf::PLAYER{$login} = $self;	1699	$cf::PLAYER{$login} = $self;
1275		1700
1276	$self	1701	$self
1277	}	1702	}
1278		1703
		1704	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1705
		1706	=cut
		1707
		1708	sub send_msg {
		1709	my $ns = shift->ns
		1710	or return;
		1711	$ns->send_msg (@_);
		1712	}
		1713
1279	=item $pl->quit_character	1714	=item $pl->quit_character
1280		1715
1281	Nukes the player without looking back. If logged in, the connection will	1716	Nukes the player without looking back. If logged in, the connection will
1282	be destroyed. May block for a long time.	1717	be destroyed. May block for a long time.
1283		1718
…		…
1287	my ($pl) = @_;	1722	my ($pl) = @_;
1288		1723
1289	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1290		1725
1291	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1292	$pl->password ("*"); # this should lock out the player until we nuked the dir	1727	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1293		1728
1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1295	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1296	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1297	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1298		1737
1299	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1300	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1301	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1336	or return [];	1775	or return [];
1337		1776
1338	my @logins;	1777	my @logins;
1339		1778
1340	for my $login (@$dirs) {	1779	for my $login (@$dirs) {
		1780	my $path = path $login;
		1781
		1782	# a .pst is a dead give-away for a valid player
		1783	# if no pst file found, open and chekc for blocked users
		1784	if (aio_stat "$path.pst") {
1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1343	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
1344		1789
1345	utf8::decode $login;	1790	utf8::decode $login;
1346	push @logins, $login;	1791	push @logins, $login;
1347	}	1792	}
1348		1793
1349	\@logins	1794	\@logins
1350	}	1795	}
1351		1796
1352	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1353		1800
1354	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1355	player. May block.	1802	player. May block.
1356		1803
1357	=cut	1804	=cut
…		…
1375	}	1822	}
1376		1823
1377	\@paths	1824	\@paths
1378	}	1825	}
1379		1826
1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1381		1828
1382	Expand crossfire pod fragments into protocol xml.	1829	Expand deliantra pod fragments into protocol xml.
1383		1830
1384	=cut
1385
1386	sub expand_cfpod {
1387	((my $self), (local $_)) = @_;
1388
1389	# escape & and <
1390	s/&/&amp;/g;
1391	s/(?<![BIUGH])</&lt;/g;
1392
1393	# this is buggy, it needs to properly take care of nested <'s
1394
1395	1 while
1396	# replace B<>, I<>, U<> etc.
1397	s/B<([^\>]*)>/<b>$1<\/b>/
1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
1400	# replace G<male|female> tags
1401	|| s{G<([^>|]*)\|([^>]*)>}{
1402	$self->gender ? $2 : $1
1403	}ge
1404	# replace H<hint text>
1405	|| s{H<([^\>]*)>}
1406	{
1407	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1408	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1409	"")
1410	[$self->{hintmode}]
1411	}ge;
1412
1413	# create single paragraphs (very hackish)
1414	s/(?<=\S)\n(?=\w)/ /g;
1415
1416	# compress some whitespace
1417	s/\s+\n/\n/g; # ws line-ends
1418	s/\n\n+/\n/g; # double lines
1419	s/^\n+//; # beginning lines
1420	s/\n+$//; # ending lines
1421
1422	$_
1423	}
1424
1425	sub hintmode {
1426	$_[0]{hintmode} = $_[1] if @_ > 1;
1427	$_[0]{hintmode}
1428	}
1429
1430	=item $player->ext_reply ($msgid, %msg)	1831	=item $player->ext_reply ($msgid, @msg)
1431		1832
1432	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1433		1834
1434	=cut	1835	=cut
1435		1836
1436	sub ext_reply($$%) {	1837	sub ext_reply($$@) {
1437	my ($self, $id, %msg) = @_;	1838	my ($self, $id, @msg) = @_;
1438		1839
1439	$msg{msgid} = $id;	1840	$self->ns->ext_reply ($id, @msg)
1440	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1441	}	1841	}
1442		1842
1443	=item $player->ext_event ($type, %msg)	1843	=item $player->ext_msg ($type, @msg)
1444		1844
1445	Sends an ext event to the client.	1845	Sends an ext event to the client.
1446		1846
1447	=cut	1847	=cut
1448		1848
1449	sub ext_event($$%) {	1849	sub ext_msg($$@) {
1450	my ($self, $type, %msg) = @_;	1850	my ($self, $type, @msg) = @_;
1451		1851
1452	$self->ns->ext_event ($type, %msg);	1852	$self->ns->ext_msg ($type, @msg);
1453	}	1853	}
1454		1854
1455	=head3 cf::region	1855	=head3 cf::region
1456		1856
1457	=over 4	1857	=over 4
…		…
1467	=cut	1867	=cut
1468		1868
1469	sub find_by_path($) {	1869	sub find_by_path($) {
1470	my ($path) = @_;	1870	my ($path) = @_;
1471		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
		1873
1472	my ($match, $specificity);	1874	my ($match, $specificity);
1473		1875
1474	for my $region (list) {	1876	for my $region (list) {
1475	if ($region->match && $path =~ $region->match) {	1877	if ($region->{match} && $path =~ $region->{match}) {
1476	($match, $specificity) = ($region, $region->specificity)	1878	($match, $specificity) = ($region, $region->specificity)
1477	if $region->specificity > $specificity;	1879	if $region->specificity > $specificity;
1478	}	1880	}
1479	}	1881	}
1480		1882
…		…
1501	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1502	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1503		1905
1504	sub generate_random_map {	1906	sub generate_random_map {
1505	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1506	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1507	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1508	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1509	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1510	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1511	$rmp->{exit_on_final_map},
1512	$rmp->{xsize}, $rmp->{ysize},
1513	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1514	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1515	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1516	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1517	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1518	(cf::region::find $rmp->{region}), $rmp->{custom}
1519	)
1520	}	1912	}
1521		1913
1522	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1523		1915
1524	Register a handler for the map path matching the given regex at the	1916	Register a handler for the map path matching the given regex at the
…		…
1529		1921
1530	sub register {	1922	sub register {
1531	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1532	my $pkg = caller;	1924	my $pkg = caller;
1533		1925
1534	no strict;
1535	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1536		1927
1537	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1538	}	1929	}
1539		1930
1540	# also paths starting with '/'	1931	# also paths starting with '/'
1541	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1542		1933
1543	sub thawer_merge {	1934	sub thawer_merge {
1544	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1545		1936
1546	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
…		…
1551	}	1942	}
1552		1943
1553	sub normalise {	1944	sub normalise {
1554	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1555		1946
1556	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1557		1948
1558	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1559		1950
1560	# map plan:	1951	# map plan:
1561	#	1952	#
…		…
1563	# {... are special paths that are not being touched	1954	# {... are special paths that are not being touched
1564	# ?xxx/... are special absolute paths	1955	# ?xxx/... are special absolute paths
1565	# ?random/... random maps	1956	# ?random/... random maps
1566	# /... normal maps	1957	# /... normal maps
1567	# ~user/... per-player map of a specific user	1958	# ~user/... per-player map of a specific user
		1959	# !up !down for quad maps, or other maps with up/down layers
1568		1960
1569	$path =~ s/$PATH_SEP/\//go;	1961	$path =~ s/$PATH_SEP/\//go;
1570		1962
1571	# treat it as relative path if it starts with	1963	# treat it as relative path if it starts with
1572	# something that looks reasonable	1964	# something that looks reasonable
1573	if ($path =~ m{^(?:\./|\.\./|\w)}) {	1965	if ($path =~ m{^(?:\./|\.\./|\w)}) {
1574	$base or Carp::carp "normalise called with relative path and no base: '$path'";	1966	$base or Carp::carp "normalise called with relative path and no base: '$path'";
1575		1967
1576	$base =~ s{[^/]+/?$}{};	1968	$base =~ s{[^/]+/?$}{};
1577	$path = "$base/$path";	1969	$path = "$base/$path";
		1970
		1971	} elsif ($path eq '!up') {
		1972	$base && ref $base
		1973	or Carp::carp "normalise called with relative tile path and no base: '$path'";
		1974
		1975	my $uppth = $base->tile_path (cf::TILE_UP);
		1976	$path = $uppth if $uppth;
		1977
		1978	} elsif ($path eq '!down') {
		1979	$base && ref $base
		1980	or Carp::carp "normalise called with relative tile path and no base: '$path'";
		1981
		1982	my $dpth = $base->tile_path (cf::TILE_DOWN);
		1983	$path = $dpth if $dpth;
1578	}	1984	}
1579		1985
1580	for ($path) {	1986	for ($path) {
1581	redo if s{//}{/};
1582	redo if s{/\.?/}{/};	1987	redo if s{/\.?/}{/};
1583	redo if s{/[^/]+/\.\./}{/};	1988	redo if s{/[^/]+/\.\./}{/};
1584	}	1989	}
1585		1990
1586	$path	1991	$path
…		…
1600	$self->init; # pass $1 etc.	2005	$self->init; # pass $1 etc.
1601	return $self;	2006	return $self;
1602	}	2007	}
1603	}	2008	}
1604		2009
1605	Carp::carp "unable to resolve path '$path' (base '$base').";	2010	Carp::cluck "unable to resolve path '$path' (base '$base')";
1606	()	2011	()
1607	}	2012	}
1608		2013
		2014	# may re-bless or do other evil things
1609	sub init {	2015	sub init {
1610	my ($self) = @_;	2016	my ($self) = @_;
1611		2017
1612	$self	2018	$self
1613	}	2019	}
…		…
1632		2038
1633	# the temporary/swap location	2039	# the temporary/swap location
1634	sub save_path {	2040	sub save_path {
1635	my ($self) = @_;	2041	my ($self) = @_;
1636		2042
1637	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2043	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1638	"$TMPDIR/$path.map"	2044	"$TMPDIR/$path.map"
1639	}	2045	}
1640		2046
1641	# the unique path, undef == no special unique path	2047	# the unique path, undef == no special unique path
1642	sub uniq_path {	2048	sub uniq_path {
1643	my ($self) = @_;	2049	my ($self) = @_;
1644		2050
1645	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2051	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1646	"$UNIQUEDIR/$path"	2052	"$UNIQUEDIR/$path"
1647	}
1648
1649	# and all this just because we cannot iterate over
1650	# all maps in C++...
1651	sub change_all_map_light {
1652	my ($change) = @_;
1653
1654	$_->change_map_light ($change)
1655	for grep $_->outdoor, values %cf::MAP;
1656	}	2053	}
1657		2054
1658	sub decay_objects {	2055	sub decay_objects {
1659	my ($self) = @_;	2056	my ($self) = @_;
1660		2057
…		…
1673		2070
1674	sub load_header_from($) {	2071	sub load_header_from($) {
1675	my ($self, $path) = @_;	2072	my ($self, $path) = @_;
1676		2073
1677	utf8::encode $path;	2074	utf8::encode $path;
1678	#aio_open $path, O_RDONLY, 0	2075	my $f = new_from_file cf::object::thawer $path
1679	# or return;
1680
1681	$self->_load_header ($path)
1682	or return;	2076	or return;
		2077
		2078	$self->_load_header ($f)
		2079	or return;
		2080
		2081	local $MAP_LOADING{$self->{path}} = $self;
		2082	$f->resolve_delayed_derefs;
1683		2083
1684	$self->{load_path} = $path;	2084	$self->{load_path} = $path;
1685		2085
1686	1	2086	1
1687	}	2087	}
…		…
1739		2139
1740	sub find;	2140	sub find;
1741	sub find {	2141	sub find {
1742	my ($path, $origin) = @_;	2142	my ($path, $origin) = @_;
1743		2143
		2144	cf::cede_to_tick;
		2145
1744	$path = normalise $path, $origin && $origin->path;	2146	$path = normalise $path, $origin;
1745		2147
		2148	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1746	cf::lock_wait "map_find:$path";	2149	my $guard2 = cf::lock_acquire "map_find:$path";
1747		2150
1748	$cf::MAP{$path} || do {	2151	$cf::MAP{$path} || do {
1749	my $guard = cf::lock_acquire "map_find:$path";
1750	my $map = new_from_path cf::map $path	2152	my $map = new_from_path cf::map $path
1751	or return;	2153	or return;
1752		2154
1753	$map->{last_save} = $cf::RUNTIME;	2155	$map->{last_save} = $cf::RUNTIME;
1754		2156
…		…
1756	or return;	2158	or return;
1757		2159
1758	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2160	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1759	# doing this can freeze the server in a sync job, obviously	2161	# doing this can freeze the server in a sync job, obviously
1760	#$cf::WAIT_FOR_TICK->wait;	2162	#$cf::WAIT_FOR_TICK->wait;
		2163	undef $guard2;
		2164	undef $guard1;
1761	$map->reset;	2165	$map->reset;
1762	undef $guard;
1763	return find $path;	2166	return find $path;
1764	}	2167	}
1765		2168
1766	$cf::MAP{$path} = $map	2169	$cf::MAP{$path} = $map
1767	}	2170	}
1768	}	2171	}
1769		2172
1770	sub pre_load { }	2173	sub pre_load { }
1771	sub post_load { }	2174	#sub post_load { } # XS
1772		2175
1773	sub load {	2176	sub load {
1774	my ($self) = @_;	2177	my ($self) = @_;
1775		2178
1776	local $self->{deny_reset} = 1; # loading can take a long time	2179	local $self->{deny_reset} = 1; # loading can take a long time
1777		2180
1778	my $path = $self->{path};	2181	my $path = $self->{path};
1779		2182
1780	{	2183	{
1781	my $guard = cf::lock_acquire "map_load:$path";	2184	my $guard = cf::lock_acquire "map_data:$path";
1782		2185
		2186	return unless $self->valid;
1783	return if $self->in_memory != cf::MAP_SWAPPED;	2187	return unless $self->in_memory == cf::MAP_SWAPPED;
1784		2188
1785	$self->in_memory (cf::MAP_LOADING);	2189	$self->in_memory (cf::MAP_LOADING);
1786		2190
1787	$self->alloc;	2191	$self->alloc;
1788		2192
1789	$self->pre_load;	2193	$self->pre_load;
1790	Coro::cede;	2194	cf::cede_to_tick;
1791		2195
1792	$self->_load_objects ($self->{load_path}, 1)	2196	if (exists $self->{load_path}) {
		2197	my $f = new_from_file cf::object::thawer $self->{load_path};
		2198	$f->skip_block;
		2199	$self->_load_objects ($f)
1793	or return;	2200	or return;
1794		2201
1795	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2202	$self->post_load_original
1796	if delete $self->{load_original};	2203	if delete $self->{load_original};
1797		2204
1798	if (my $uniq = $self->uniq_path) {	2205	if (my $uniq = $self->uniq_path) {
1799	utf8::encode $uniq;	2206	utf8::encode $uniq;
1800	if (aio_open $uniq, O_RDONLY, 0) {	2207	unless (aio_stat $uniq) {
		2208	if (my $f = new_from_file cf::object::thawer $uniq) {
1801	$self->clear_unique_items;	2209	$self->clear_unique_items;
1802	$self->_load_objects ($uniq, 0);	2210	$self->_load_objects ($f);
		2211	$f->resolve_delayed_derefs;
		2212	}
		2213	}
1803	}	2214	}
1804	}
1805		2215
1806	Coro::cede;	2216	$f->resolve_delayed_derefs;
		2217	}
		2218
		2219	cf::cede_to_tick;
1807	# now do the right thing for maps	2220	# now do the right thing for maps
1808	$self->link_multipart_objects;	2221	$self->link_multipart_objects;
1809	$self->difficulty ($self->estimate_difficulty)	2222	$self->difficulty ($self->estimate_difficulty)
1810	unless $self->difficulty;	2223	unless $self->difficulty;
1811	Coro::cede;	2224	cf::cede_to_tick;
1812		2225
1813	unless ($self->{deny_activate}) {	2226	unless ($self->{deny_activate}) {
1814	$self->decay_objects;	2227	$self->decay_objects;
1815	$self->fix_auto_apply;	2228	$self->fix_auto_apply;
1816	$self->update_buttons;	2229	$self->update_buttons;
1817	Coro::cede;	2230	cf::cede_to_tick;
1818	$self->set_darkness_map;
1819	Coro::cede;
1820	$self->activate;	2231	$self->activate;
1821	}	2232	}
1822		2233
		2234	$self->{last_save} = $cf::RUNTIME;
		2235	$self->last_access ($cf::RUNTIME);
		2236
1823	$self->in_memory (cf::MAP_IN_MEMORY);	2237	$self->in_memory (cf::MAP_ACTIVE);
1824	}	2238	}
1825		2239
1826	$self->post_load;	2240	$self->post_load;
1827	}
1828		2241
		2242	1
		2243	}
		2244
		2245	# customize the map for a given player, i.e.
		2246	# return the _real_ map. used by e.g. per-player
		2247	# maps to change the path to ~playername/mappath
1829	sub customise_for {	2248	sub customise_for {
1830	my ($self, $ob) = @_;	2249	my ($self, $ob) = @_;
1831		2250
1832	return find "~" . $ob->name . "/" . $self->{path}	2251	return find "~" . $ob->name . "/" . $self->{path}
1833	if $self->per_player;	2252	if $self->per_player;
…		…
1837		2256
1838	$self	2257	$self
1839	}	2258	}
1840		2259
1841	# find and load all maps in the 3x3 area around a map	2260	# find and load all maps in the 3x3 area around a map
1842	sub load_diag {	2261	sub load_neighbours {
1843	my ($map) = @_;	2262	my ($map) = @_;
1844		2263
1845	my @diag; # diagonal neighbours	2264	my @neigh; # diagonal neighbours
1846		2265
1847	for (0 .. 3) {	2266	for (0 .. 3) {
1848	my $neigh = $map->tile_path ($_)	2267	my $neigh = $map->tile_path ($_)
1849	or next;	2268	or next;
1850	$neigh = find $neigh, $map	2269	$neigh = find $neigh, $map
1851	or next;	2270	or next;
1852	$neigh->load;	2271	$neigh->load;
1853		2272
		2273	# now find the diagonal neighbours
		2274	push @neigh,
1854	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2275	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1855	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2276	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1856	}	2277	}
1857		2278
1858	for (@diag) {	2279	for (grep defined $_->[0], @neigh) {
		2280	my ($path, $origin) = @$_;
1859	my $neigh = find @$_	2281	my $neigh = find $path, $origin
1860	or next;	2282	or next;
1861	$neigh->load;	2283	$neigh->load;
1862	}	2284	}
1863	}	2285	}
1864		2286
1865	sub find_sync {	2287	sub find_sync {
1866	my ($path, $origin) = @_;	2288	my ($path, $origin) = @_;
1867		2289
1868	cf::sync_job { find $path, $origin }	2290	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2291	if $Coro::current == $Coro::main;
		2292
		2293	find $path, $origin
1869	}	2294	}
1870		2295
1871	sub do_load_sync {	2296	sub do_load_sync {
1872	my ($map) = @_;	2297	my ($map) = @_;
1873		2298
1874	cf::sync_job { $map->load };	2299	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2300	if $Coro::current == $Coro::main;
		2301
		2302	$map->load;
1875	}	2303	}
1876		2304
1877	our %MAP_PREFETCH;	2305	our %MAP_PREFETCH;
1878	our $MAP_PREFETCHER = undef;	2306	our $MAP_PREFETCHER = undef;
1879		2307
1880	sub find_async {	2308	sub find_async {
1881	my ($path, $origin) = @_;	2309	my ($path, $origin, $load) = @_;
1882		2310
1883	$path = normalise $path, $origin && $origin->{path};	2311	$path = normalise $path, $origin;
1884		2312
1885	if (my $map = $cf::MAP{$path}) {	2313	if (my $map = $cf::MAP{$path}) {
1886	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2314	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1887	}	2315	}
1888		2316
1889	undef $MAP_PREFETCH{$path};	2317	$MAP_PREFETCH{$path} |= $load;
		2318
1890	$MAP_PREFETCHER ||= cf::async {	2319	$MAP_PREFETCHER ||= cf::async {
		2320	$Coro::current->{desc} = "map prefetcher";
		2321
1891	while (%MAP_PREFETCH) {	2322	while (%MAP_PREFETCH) {
1892	for my $path (keys %MAP_PREFETCH) {	2323	while (my ($k, $v) = each %MAP_PREFETCH) {
1893	my $map = find $path	2324	if (my $map = find $k) {
1894	or next;
1895	$map->load;	2325	$map->load if $v;
		2326	}
1896		2327
1897	delete $MAP_PREFETCH{$path};	2328	delete $MAP_PREFETCH{$k};
1898	}	2329	}
1899	}	2330	}
1900	undef $MAP_PREFETCHER;	2331	undef $MAP_PREFETCHER;
1901	};	2332	};
1902	$MAP_PREFETCHER->prio (6);	2333	$MAP_PREFETCHER->prio (6);
1903		2334
1904	()	2335	()
1905	}	2336	}
1906		2337
		2338	# common code, used by both ->save and ->swapout
1907	sub save {	2339	sub _save {
1908	my ($self) = @_;	2340	my ($self) = @_;
1909
1910	my $lock = cf::lock_acquire "map_data:" . $self->path;
1911		2341
1912	$self->{last_save} = $cf::RUNTIME;	2342	$self->{last_save} = $cf::RUNTIME;
1913		2343
1914	return unless $self->dirty;	2344	return unless $self->dirty;
1915		2345
…		…
1921	return if $self->{deny_save};	2351	return if $self->{deny_save};
1922		2352
1923	local $self->{last_access} = $self->last_access;#d#	2353	local $self->{last_access} = $self->last_access;#d#
1924		2354
1925	cf::async {	2355	cf::async {
		2356	$Coro::current->{desc} = "map player save";
1926	$_->contr->save for $self->players;	2357	$_->contr->save for $self->players;
1927	};	2358	};
		2359
		2360	cf::get_slot 0.02;
1928		2361
1929	if ($uniq) {	2362	if ($uniq) {
1930	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2363	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1931	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2364	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1932	} else {	2365	} else {
1933	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2366	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1934	}	2367	}
1935	}	2368	}
1936		2369
		2370	sub save {
		2371	my ($self) = @_;
		2372
		2373	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2374
		2375	$self->_save;
		2376	}
		2377
1937	sub swap_out {	2378	sub swap_out {
1938	my ($self) = @_;	2379	my ($self) = @_;
1939		2380
1940	# save first because save cedes
1941	$self->save;
1942
1943	my $lock = cf::lock_acquire "map_data:" . $self->path;	2381	my $lock = cf::lock_acquire "map_data:$self->{path}";
1944		2382
		2383	return if $self->in_memory != cf::MAP_ACTIVE;
		2384	return if $self->{deny_save};
1945	return if $self->players;	2385	return if $self->players;
1946	return if $self->in_memory != cf::MAP_IN_MEMORY;
1947	return if $self->{deny_save};
1948		2386
		2387	# first deactivate the map and "unlink" it from the core
		2388	$self->deactivate;
		2389	$_->clear_links_to ($self) for values %cf::MAP;
		2390	$self->in_memory (cf::MAP_SWAPPED);
		2391
		2392	# then atomically save
		2393	$self->_save;
		2394
		2395	# then free the map
1949	$self->clear;	2396	$self->clear;
1950	$self->in_memory (cf::MAP_SWAPPED);
1951	}	2397	}
1952		2398
1953	sub reset_at {	2399	sub reset_at {
1954	my ($self) = @_;	2400	my ($self) = @_;
1955		2401
…		…
1973		2419
1974	my $lock = cf::lock_acquire "map_data:$self->{path}";	2420	my $lock = cf::lock_acquire "map_data:$self->{path}";
1975		2421
1976	return if $self->players;	2422	return if $self->players;
1977		2423
1978	warn "resetting map ", $self->path;	2424	cf::trace "resetting map ", $self->path, "\n";
1979		2425
1980	$self->in_memory (cf::MAP_SWAPPED);	2426	$self->in_memory (cf::MAP_SWAPPED);
1981		2427
1982	# need to save uniques path	2428	# need to save uniques path
1983	unless ($self->{deny_save}) {	2429	unless ($self->{deny_save}) {
…		…
1987	if $uniq;	2433	if $uniq;
1988	}	2434	}
1989		2435
1990	delete $cf::MAP{$self->path};	2436	delete $cf::MAP{$self->path};
1991		2437
		2438	$self->deactivate;
		2439	$_->clear_links_to ($self) for values %cf::MAP;
1992	$self->clear;	2440	$self->clear;
1993
1994	$_->clear_links_to ($self) for values %cf::MAP;
1995		2441
1996	$self->unlink_save;	2442	$self->unlink_save;
1997	$self->destroy;	2443	$self->destroy;
1998	}	2444	}
1999		2445
2000	my $nuke_counter = "aaaa";	2446	my $nuke_counter = "aaaa";
2001		2447
2002	sub nuke {	2448	sub nuke {
2003	my ($self) = @_;	2449	my ($self) = @_;
2004		2450
		2451	{
		2452	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2453
2005	delete $cf::MAP{$self->path};	2454	delete $cf::MAP{$self->path};
2006		2455
2007	$self->unlink_save;	2456	$self->unlink_save;
2008		2457
2009	bless $self, "cf::map";	2458	bless $self, "cf::map::wrap";
2010	delete $self->{deny_reset};	2459	delete $self->{deny_reset};
2011	$self->{deny_save} = 1;	2460	$self->{deny_save} = 1;
2012	$self->reset_timeout (1);	2461	$self->reset_timeout (1);
2013	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2462	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2014		2463
2015	$cf::MAP{$self->path} = $self;	2464	$cf::MAP{$self->path} = $self;
		2465	}
2016		2466
2017	$self->reset; # polite request, might not happen	2467	$self->reset; # polite request, might not happen
2018	}	2468	}
2019		2469
2020	=item $maps = cf::map::tmp_maps	2470	=item $maps = cf::map::tmp_maps
…		…
2062		2512
2063	sub unique_maps() {	2513	sub unique_maps() {
2064	[	2514	[
2065	map {	2515	map {
2066	utf8::decode $_;	2516	utf8::decode $_;
2067	/\.map$/	2517	s/\.map$//; # TODO future compatibility hack
		2518	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2519	? ()
2068	? normalise $_	2520	: normalise $_
2069	: ()
2070	} @{ aio_readdir $UNIQUEDIR or [] }	2521	} @{ aio_readdir $UNIQUEDIR or [] }
2071	]	2522	]
2072	}	2523	}
2073		2524
2074	package cf;	2525	=item cf::map::static_maps
		2526
		2527	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2528	file in the shared directory excluding F</styles> and F</editor>). May
		2529	block.
		2530
		2531	=cut
		2532
		2533	sub static_maps() {
		2534	my @dirs = "";
		2535	my @maps;
		2536
		2537	while (@dirs) {
		2538	my $dir = shift @dirs;
		2539
		2540	next if $dir eq "/styles" || $dir eq "/editor";
		2541
		2542	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2543	or return;
		2544
		2545	for (@$files) {
		2546	s/\.map$// or next;
		2547	utf8::decode $_;
		2548	push @maps, "$dir/$_";
		2549	}
		2550
		2551	push @dirs, map "$dir/$_", @$dirs;
		2552	}
		2553
		2554	\@maps
		2555	}
2075		2556
2076	=back	2557	=back
2077		2558
2078	=head3 cf::object	2559	=head3 cf::object
2079		2560
…		…
2083		2564
2084	=over 4	2565	=over 4
2085		2566
2086	=item $ob->inv_recursive	2567	=item $ob->inv_recursive
2087		2568
2088	Returns the inventory of the object _and_ their inventories, recursively.	2569	Returns the inventory of the object I<and> their inventories, recursively,
		2570	but I<not> the object itself.
2089		2571
2090	=cut	2572	=cut
2091		2573
2092	sub inv_recursive_;	2574	sub inv_recursive_;
2093	sub inv_recursive_ {	2575	sub inv_recursive_ {
…		…
2096		2578
2097	sub inv_recursive {	2579	sub inv_recursive {
2098	inv_recursive_ inv $_[0]	2580	inv_recursive_ inv $_[0]
2099	}	2581	}
2100		2582
		2583	=item $ref = $ob->ref
		2584
		2585	Creates and returns a persistent reference to an object that can be stored as a string.
		2586
		2587	=item $ob = cf::object::deref ($refstring)
		2588
		2589	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2590	even if the object actually exists. May block.
		2591
		2592	=cut
		2593
		2594	sub deref {
		2595	my ($ref) = @_;
		2596
		2597	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2598	my ($uuid, $name) = ($1, $2);
		2599	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2600	or return;
		2601	$pl->ob->uuid eq $uuid
		2602	or return;
		2603
		2604	$pl->ob
		2605	} else {
		2606	warn "$ref: cannot resolve object reference\n";
		2607	undef
		2608	}
		2609	}
		2610
2101	package cf;	2611	package cf;
2102		2612
2103	=back	2613	=back
2104		2614
2105	=head3 cf::object::player	2615	=head3 cf::object::player
…		…
2111	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2621	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2112	can be C<undef>. Does the right thing when the player is currently in a	2622	can be C<undef>. Does the right thing when the player is currently in a
2113	dialogue with the given NPC character.	2623	dialogue with the given NPC character.
2114		2624
2115	=cut	2625	=cut
		2626
		2627	our $SAY_CHANNEL = {
		2628	id => "say",
		2629	title => "Map",
		2630	reply => "say ",
		2631	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2632	};
		2633
		2634	our $CHAT_CHANNEL = {
		2635	id => "chat",
		2636	title => "Chat",
		2637	reply => "chat ",
		2638	tooltip => "Player chat and shouts, global to the server.",
		2639	};
2116		2640
2117	# rough implementation of a future "reply" method that works	2641	# rough implementation of a future "reply" method that works
2118	# with dialog boxes.	2642	# with dialog boxes.
2119	#TODO: the first argument must go, split into a $npc->reply_to ( method	2643	#TODO: the first argument must go, split into a $npc->reply_to ( method
2120	sub cf::object::player::reply($$$;$) {	2644	sub cf::object::player::reply($$$;$) {
…		…
2127		2651
2128	} else {	2652	} else {
2129	my $pl = $self->contr;	2653	my $pl = $self->contr;
2130		2654
2131	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2655	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2132	my $diag = $pl->{npc_dialog};	2656	my $dialog = $pl->{npc_dialog};
2133	$diag->{pl}->ext_reply (	2657	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2134	$diag->{id},
2135	msgtype => "reply",
2136	msg => $diag->{pl}->expand_cfpod ($msg),
2137	add_topics => []
2138	);
2139		2658
2140	} else {	2659	} else {
2141	$msg = $npc->name . " says: $msg" if $npc;	2660	$msg = $npc->name . " says: $msg" if $npc;
2142	$self->message ($msg, $flags);	2661	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2143	}	2662	}
2144	}	2663	}
		2664	}
		2665
		2666	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2667
		2668	=cut
		2669
		2670	sub cf::object::send_msg {
		2671	my $pl = shift->contr
		2672	or return;
		2673	$pl->send_msg (@_);
2145	}	2674	}
2146		2675
2147	=item $player_object->may ("access")	2676	=item $player_object->may ("access")
2148		2677
2149	Returns wether the given player is authorized to access resource "access"	2678	Returns wether the given player is authorized to access resource "access"
…		…
2162		2691
2163	=item $player_object->enter_link	2692	=item $player_object->enter_link
2164		2693
2165	Freezes the player and moves him/her to a special map (C<{link}>).	2694	Freezes the player and moves him/her to a special map (C<{link}>).
2166		2695
2167	The player should be reasonably safe there for short amounts of time. You	2696	The player should be reasonably safe there for short amounts of time (e.g.
2168	I<MUST> call C<leave_link> as soon as possible, though.	2697	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2698	though, as the player cannot control the character while it is on the link
		2699	map.
2169		2700
2170	Will never block.	2701	Will never block.
2171		2702
2172	=item $player_object->leave_link ($map, $x, $y)	2703	=item $player_object->leave_link ($map, $x, $y)
2173		2704
…		…
2193	sub cf::object::player::enter_link {	2724	sub cf::object::player::enter_link {
2194	my ($self) = @_;	2725	my ($self) = @_;
2195		2726
2196	$self->deactivate_recursive;	2727	$self->deactivate_recursive;
2197		2728
		2729	++$self->{_link_recursion};
		2730
2198	return if UNIVERSAL::isa $self->map, "ext::map_link";	2731	return if UNIVERSAL::isa $self->map, "ext::map_link";
2199		2732
2200	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2733	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2201	if $self->map && $self->map->{path} ne "{link}";	2734	if $self->map && $self->map->{path} ne "{link}";
2202		2735
2203	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2736	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2204	}	2737	}
2205		2738
2206	sub cf::object::player::leave_link {	2739	sub cf::object::player::leave_link {
2207	my ($self, $map, $x, $y) = @_;	2740	my ($self, $map, $x, $y) = @_;
2208		2741
…		…
2225	($x, $y) = (-1, -1)	2758	($x, $y) = (-1, -1)
2226	unless (defined $x) && (defined $y);	2759	unless (defined $x) && (defined $y);
2227		2760
2228	# use -1 or undef as default coordinates, not 0, 0	2761	# use -1 or undef as default coordinates, not 0, 0
2229	($x, $y) = ($map->enter_x, $map->enter_y)	2762	($x, $y) = ($map->enter_x, $map->enter_y)
2230	if $x <=0 && $y <= 0;	2763	if $x <= 0 && $y <= 0;
2231		2764
2232	$map->load;	2765	$map->load;
2233	$map->load_diag;	2766	$map->load_neighbours;
2234		2767
2235	return unless $self->contr->active;	2768	return unless $self->contr->active;
2236	$self->activate_recursive;
2237		2769
2238	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2770	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2239	$self->enter_map ($map, $x, $y);	2771	if ($self->enter_map ($map, $x, $y)) {
2240	}	2772	# entering was successful
		2773	delete $self->{_link_recursion};
		2774	# only activate afterwards, to support waiting in hooks
		2775	$self->activate_recursive;
		2776	}
2241		2777
		2778	}
		2779
2242	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2780	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2243		2781
2244	Moves the player to the given map-path and coordinates by first freezing	2782	Moves the player to the given map-path and coordinates by first freezing
2245	her, loading and preparing them map, calling the provided $check callback	2783	her, loading and preparing them map, calling the provided $check callback
2246	that has to return the map if sucecssful, and then unfreezes the player on	2784	that has to return the map if sucecssful, and then unfreezes the player on
2247	the new (success) or old (failed) map position.	2785	the new (success) or old (failed) map position. In either case, $done will
		2786	be called at the end of this process.
		2787
		2788	Note that $check will be called with a potentially non-loaded map, so if
		2789	it needs a loaded map it has to call C<< ->load >>.
2248		2790
2249	=cut	2791	=cut
2250		2792
2251	our $GOTOGEN;	2793	our $GOTOGEN;
2252		2794
2253	sub cf::object::player::goto {	2795	sub cf::object::player::goto {
2254	my ($self, $path, $x, $y, $check) = @_;	2796	my ($self, $path, $x, $y, $check, $done) = @_;
		2797
		2798	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2799	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2800	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2801	($path, $x, $y) = @$EMERGENCY_POSITION;
		2802	}
2255		2803
2256	# do generation counting so two concurrent goto's will be executed in-order	2804	# do generation counting so two concurrent goto's will be executed in-order
2257	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2805	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2258		2806
2259	$self->enter_link;	2807	$self->enter_link;
2260		2808
2261	(async {	2809	(async {
		2810	$Coro::current->{desc} = "player::goto $path $x $y";
		2811
		2812	# *tag paths override both path and x|y
		2813	if ($path =~ /^\*(.*)$/) {
		2814	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2815	my $ob = $obs[rand @obs];
		2816
		2817	# see if we actually can go there
		2818	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2819	$ob = $obs[rand @obs];
		2820	} else {
		2821	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2822	}
		2823	# else put us there anyways for now #d#
		2824
		2825	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2826	} else {
		2827	($path, $x, $y) = (undef, undef, undef);
		2828	}
		2829	}
		2830
2262	my $map = eval {	2831	my $map = eval {
2263	my $map = cf::map::find $path;	2832	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2264		2833
2265	if ($map) {	2834	if ($map) {
2266	$map = $map->customise_for ($self);	2835	$map = $map->customise_for ($self);
2267	$map = $check->($map) if $check && $map;	2836	$map = $check->($map, $x, $y, $self) if $check && $map;
2268	} else {	2837	} else {
2269	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2838	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2270	}	2839	}
2271		2840
2272	$map	2841	$map
2273	};	2842	};
2274		2843
…		…
2279		2848
2280	if ($gen == $self->{_goto_generation}) {	2849	if ($gen == $self->{_goto_generation}) {
2281	delete $self->{_goto_generation};	2850	delete $self->{_goto_generation};
2282	$self->leave_link ($map, $x, $y);	2851	$self->leave_link ($map, $x, $y);
2283	}	2852	}
		2853
		2854	$done->($self) if $done;
2284	})->prio (1);	2855	})->prio (1);
2285	}	2856	}
2286		2857
2287	=item $player_object->enter_exit ($exit_object)	2858	=item $player_object->enter_exit ($exit_object)
2288		2859
…		…
2308	}	2879	}
2309		2880
2310	sub prepare_random_map {	2881	sub prepare_random_map {
2311	my ($exit) = @_;	2882	my ($exit) = @_;
2312		2883
2313	my $guard = cf::lock_acquire "exit_prepare:$exit";
2314
2315	# all this does is basically replace the /! path by	2884	# all this does is basically replace the /! path by
2316	# a new random map path (?random/...) with a seed	2885	# a new random map path (?random/...) with a seed
2317	# that depends on the exit object	2886	# that depends on the exit object
2318		2887
2319	my $rmp = parse_random_map_params $exit->msg;	2888	my $rmp = parse_random_map_params $exit->msg;
…		…
2321	if ($exit->map) {	2890	if ($exit->map) {
2322	$rmp->{region} = $exit->region->name;	2891	$rmp->{region} = $exit->region->name;
2323	$rmp->{origin_map} = $exit->map->path;	2892	$rmp->{origin_map} = $exit->map->path;
2324	$rmp->{origin_x} = $exit->x;	2893	$rmp->{origin_x} = $exit->x;
2325	$rmp->{origin_y} = $exit->y;	2894	$rmp->{origin_y} = $exit->y;
		2895
		2896	$exit->map->touch;
2326	}	2897	}
2327		2898
2328	$rmp->{random_seed} ||= $exit->random_seed;	2899	$rmp->{random_seed} ||= $exit->random_seed;
2329		2900
2330	my $data = cf::to_json $rmp;	2901	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2331	my $md5 = Digest::MD5::md5_hex $data;	2902	my $md5 = Digest::MD5::md5_hex $data;
2332	my $meta = "$RANDOMDIR/$md5.meta";	2903	my $meta = "$RANDOMDIR/$md5.meta";
2333		2904
2334	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2905	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2335	aio_write $fh, 0, (length $data), $data, 0;	2906	aio_write $fh, 0, (length $data), $data, 0;
2336	undef $fh;	2907	undef $fh;
2337	aio_rename "$meta~", $meta;	2908	aio_rename "$meta~", $meta;
2338		2909
		2910	my $slaying = "?random/$md5";
		2911
		2912	if ($exit->valid) {
2339	$exit->slaying ("?random/$md5");	2913	$exit->slaying ("?random/$md5");
2340	$exit->msg (undef);	2914	$exit->msg (undef);
		2915	}
2341	}	2916	}
2342	}	2917	}
2343		2918
2344	sub cf::object::player::enter_exit {	2919	sub cf::object::player::enter_exit {
2345	my ($self, $exit) = @_;	2920	my ($self, $exit) = @_;
2346		2921
2347	return unless $self->type == cf::PLAYER;	2922	return unless $self->type == cf::PLAYER;
2348		2923
2349	if ($exit->slaying eq "/!") {
2350	#TODO: this should de-fi-ni-te-ly not be a sync-job
2351	# the problem is that $exit might not survive long enough
2352	# so it needs to be done right now, right here
2353	cf::sync_job { prepare_random_map $exit };
2354	}
2355
2356	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2357	my $hp = $exit->stats->hp;
2358	my $sp = $exit->stats->sp;
2359
2360	$self->enter_link;	2924	$self->enter_link;
2361		2925
2362	# if exit is damned, update players death & WoR home-position
2363	$self->contr->savebed ($slaying, $hp, $sp)
2364	if $exit->flag (FLAG_DAMNED);
2365
2366	(async {	2926	(async {
2367	$self->deactivate_recursive; # just to be sure	2927	$Coro::current->{desc} = "enter_exit";
		2928
2368	unless (eval {	2929	unless (eval {
		2930	$self->deactivate_recursive; # just to be sure
		2931
		2932	# random map handling
		2933	{
		2934	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2935
		2936	prepare_random_map $exit
		2937	if $exit->slaying eq "/!";
		2938	}
		2939
		2940	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2941	my $x = $exit->stats->hp;
		2942	my $y = $exit->stats->sp;
		2943
2369	$self->goto ($slaying, $hp, $sp);	2944	$self->goto ($map, $x, $y);
2370		2945
		2946	# if exit is damned, update players death & WoR home-position
		2947	$self->contr->savebed ($map, $x, $y)
		2948	if $exit->flag (cf::FLAG_DAMNED);
		2949
2371	1;	2950	1
2372	}) {	2951	}) {
2373	$self->message ("Something went wrong deep within the crossfire server. "	2952	$self->message ("Something went wrong deep within the deliantra server. "
2374	. "I'll try to bring you back to the map you were before. "	2953	. "I'll try to bring you back to the map you were before. "
2375	. "Please report this to the dungeon master!",	2954	. "Please report this to the dungeon master!",
2376	cf::NDI_UNIQUE | cf::NDI_RED);	2955	cf::NDI_UNIQUE | cf::NDI_RED);
2377		2956
2378	warn "ERROR in enter_exit: $@";	2957	error "ERROR in enter_exit: $@";
2379	$self->leave_link;	2958	$self->leave_link;
2380	}	2959	}
2381	})->prio (1);	2960	})->prio (1);
2382	}	2961	}
2383		2962
…		…
2397		2976
2398	utf8::encode $text;	2977	utf8::encode $text;
2399	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2978	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2400	}	2979	}
2401		2980
		2981	=item $client->send_big_packet ($pkt)
		2982
		2983	Like C<send_packet>, but tries to compress large packets, and fragments
		2984	them as required.
		2985
		2986	=cut
		2987
		2988	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2989
		2990	sub cf::client::send_big_packet {
		2991	my ($self, $pkt) = @_;
		2992
		2993	# try lzf for large packets
		2994	$pkt = "lzf " . Compress::LZF::compress $pkt
		2995	if 1024 <= length $pkt and $self->{can_lzf};
		2996
		2997	# split very large packets
		2998	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2999	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3000	$pkt = "frag";
		3001	}
		3002
		3003	$self->send_packet ($pkt);
		3004	}
		3005
2402	=item $client->send_msg ($color, $type, $msg, [extra...])	3006	=item $client->send_msg ($channel, $msg, $color, [extra...])
2403		3007
2404	Send a drawinfo or msg packet to the client, formatting the msg for the	3008	Send a drawinfo or msg packet to the client, formatting the msg for the
2405	client if neccessary. C<$type> should be a string identifying the type of	3009	client if neccessary. C<$type> should be a string identifying the type of
2406	the message, with C<log> being the default. If C<$color> is negative, suppress	3010	the message, with C<log> being the default. If C<$color> is negative, suppress
2407	the message unless the client supports the msg packet.	3011	the message unless the client supports the msg packet.
2408		3012
2409	=cut	3013	=cut
2410		3014
		3015	# non-persistent channels (usually the info channel)
		3016	our %CHANNEL = (
		3017	"c/motd" => {
		3018	id => "infobox",
		3019	title => "MOTD",
		3020	reply => undef,
		3021	tooltip => "The message of the day",
		3022	},
		3023	"c/identify" => {
		3024	id => "infobox",
		3025	title => "Identify",
		3026	reply => undef,
		3027	tooltip => "Items recently identified",
		3028	},
		3029	"c/examine" => {
		3030	id => "infobox",
		3031	title => "Examine",
		3032	reply => undef,
		3033	tooltip => "Signs and other items you examined",
		3034	},
		3035	"c/shopinfo" => {
		3036	id => "infobox",
		3037	title => "Shop Info",
		3038	reply => undef,
		3039	tooltip => "What your bargaining skill tells you about the shop",
		3040	},
		3041	"c/book" => {
		3042	id => "infobox",
		3043	title => "Book",
		3044	reply => undef,
		3045	tooltip => "The contents of a note or book",
		3046	},
		3047	"c/lookat" => {
		3048	id => "infobox",
		3049	title => "Look",
		3050	reply => undef,
		3051	tooltip => "What you saw there",
		3052	},
		3053	"c/who" => {
		3054	id => "infobox",
		3055	title => "Players",
		3056	reply => undef,
		3057	tooltip => "Shows players who are currently online",
		3058	},
		3059	"c/body" => {
		3060	id => "infobox",
		3061	title => "Body Parts",
		3062	reply => undef,
		3063	tooltip => "Shows which body parts you posess and are available",
		3064	},
		3065	"c/statistics" => {
		3066	id => "infobox",
		3067	title => "Statistics",
		3068	reply => undef,
		3069	tooltip => "Shows your primary statistics",
		3070	},
		3071	"c/skills" => {
		3072	id => "infobox",
		3073	title => "Skills",
		3074	reply => undef,
		3075	tooltip => "Shows your experience per skill and item power",
		3076	},
		3077	"c/shopitems" => {
		3078	id => "infobox",
		3079	title => "Shop Items",
		3080	reply => undef,
		3081	tooltip => "Shows the items currently for sale in this shop",
		3082	},
		3083	"c/resistances" => {
		3084	id => "infobox",
		3085	title => "Resistances",
		3086	reply => undef,
		3087	tooltip => "Shows your resistances",
		3088	},
		3089	"c/pets" => {
		3090	id => "infobox",
		3091	title => "Pets",
		3092	reply => undef,
		3093	tooltip => "Shows information abotu your pets/a specific pet",
		3094	},
		3095	"c/perceiveself" => {
		3096	id => "infobox",
		3097	title => "Perceive Self",
		3098	reply => undef,
		3099	tooltip => "You gained detailed knowledge about yourself",
		3100	},
		3101	"c/uptime" => {
		3102	id => "infobox",
		3103	title => "Uptime",
		3104	reply => undef,
		3105	tooltip => "How long the server has been running since last restart",
		3106	},
		3107	"c/mapinfo" => {
		3108	id => "infobox",
		3109	title => "Map Info",
		3110	reply => undef,
		3111	tooltip => "Information related to the maps",
		3112	},
		3113	"c/party" => {
		3114	id => "party",
		3115	title => "Party",
		3116	reply => "gsay ",
		3117	tooltip => "Messages and chat related to your party",
		3118	},
		3119	"c/death" => {
		3120	id => "death",
		3121	title => "Death",
		3122	reply => undef,
		3123	tooltip => "Reason for and more info about your most recent death",
		3124	},
		3125	"c/say" => $SAY_CHANNEL,
		3126	"c/chat" => $CHAT_CHANNEL,
		3127	);
		3128
2411	sub cf::client::send_msg {	3129	sub cf::client::send_msg {
2412	my ($self, $color, $type, $msg, @extra) = @_;	3130	my ($self, $channel, $msg, $color, @extra) = @_;
2413		3131
2414	$msg = $self->pl->expand_cfpod ($msg);	3132	$msg = $self->pl->expand_cfpod ($msg)
		3133	unless $color & cf::NDI_VERBATIM;
		3134
		3135	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3136
		3137	# check predefined channels, for the benefit of C
		3138	if ($CHANNEL{$channel}) {
		3139	$channel = $CHANNEL{$channel};
		3140
		3141	$self->ext_msg (channel_info => $channel);
		3142	$channel = $channel->{id};
		3143
		3144	} elsif (ref $channel) {
		3145	# send meta info to client, if not yet sent
		3146	unless (exists $self->{channel}{$channel->{id}}) {
		3147	$self->{channel}{$channel->{id}} = $channel;
		3148	$self->ext_msg (channel_info => $channel);
		3149	}
		3150
		3151	$channel = $channel->{id};
		3152	}
2415		3153
2416	return unless @extra || length $msg;	3154	return unless @extra || length $msg;
2417		3155
2418	if ($self->can_msg) {	3156	# default colour, mask it out
2419	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3157	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2420	} else {	3158	if $color & cf::NDI_DEF;
2421	# replace some tags by gcfclient-compatible ones
2422	for ($msg) {
2423	1 while
2424	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2425	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2426	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2427	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2428	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2429	}
2430		3159
2431	if ($color >= 0) {	3160	my $pkt = "msg "
2432	if (0 && $msg =~ /\[/) {	3161	. $self->{json_coder}->encode (
2433	$self->send_packet ("drawextinfo $color 4 0 $msg")	3162	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2434	} else {	3163	);
2435	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2436	$self->send_packet ("drawinfo $color $msg")
2437	}
2438	}
2439	}
2440	}
2441		3164
		3165	$self->send_big_packet ($pkt);
		3166	}
		3167
2442	=item $client->ext_event ($type, %msg)	3168	=item $client->ext_msg ($type, @msg)
2443		3169
2444	Sends an ext event to the client.	3170	Sends an ext event to the client.
2445		3171
2446	=cut	3172	=cut
2447		3173
2448	sub cf::client::ext_event($$%) {	3174	sub cf::client::ext_msg($$@) {
2449	my ($self, $type, %msg) = @_;	3175	my ($self, $type, @msg) = @_;
2450		3176
		3177	if ($self->extcmd == 2) {
		3178	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3179	} elsif ($self->extcmd == 1) { # TODO: remove
2451	$msg{msgtype} = "event_$type";	3180	push @msg, msgtype => "event_$type";
2452	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3181	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3182	}
		3183	}
		3184
		3185	=item $client->ext_reply ($msgid, @msg)
		3186
		3187	Sends an ext reply to the client.
		3188
		3189	=cut
		3190
		3191	sub cf::client::ext_reply($$@) {
		3192	my ($self, $id, @msg) = @_;
		3193
		3194	if ($self->extcmd == 2) {
		3195	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3196	} elsif ($self->extcmd == 1) {
		3197	#TODO: version 1, remove
		3198	unshift @msg, msgtype => "reply", msgid => $id;
		3199	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3200	}
2453	}	3201	}
2454		3202
2455	=item $success = $client->query ($flags, "text", \&cb)	3203	=item $success = $client->query ($flags, "text", \&cb)
2456		3204
2457	Queues a query to the client, calling the given callback with	3205	Queues a query to the client, calling the given callback with
…		…
2512	my ($ns, $buf) = @_;	3260	my ($ns, $buf) = @_;
2513		3261
2514	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3262	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2515		3263
2516	if (ref $msg) {	3264	if (ref $msg) {
		3265	my ($type, $reply, @payload) =
		3266	"ARRAY" eq ref $msg
		3267	? @$msg
		3268	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3269
		3270	my @reply;
		3271
2517	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3272	if (my $cb = $EXTICMD{$type}) {
2518	if (my %reply = $cb->($ns, $msg)) {	3273	@reply = $cb->($ns, @payload);
2519	$reply{msgid} = $msg->{msgid};
2520	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2521	}
2522	}	3274	}
		3275
		3276	$ns->ext_reply ($reply, @reply)
		3277	if $reply;
		3278
2523	} else {	3279	} else {
2524	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3280	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2525	}	3281	}
2526		3282
2527	cf::override;	3283	cf::override;
2528	},	3284	},
2529	);	3285	);
…		…
2549		3305
2550	$coro	3306	$coro
2551	}	3307	}
2552		3308
2553	cf::client->attach (	3309	cf::client->attach (
2554	on_destroy => sub {	3310	on_client_destroy => sub {
2555	my ($ns) = @_;	3311	my ($ns) = @_;
2556		3312
2557	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3313	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2558	},	3314	},
2559	);	3315	);
…		…
2574	our $safe = new Safe "safe";	3330	our $safe = new Safe "safe";
2575	our $safe_hole = new Safe::Hole;	3331	our $safe_hole = new Safe::Hole;
2576		3332
2577	$SIG{FPE} = 'IGNORE';	3333	$SIG{FPE} = 'IGNORE';
2578		3334
2579	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3335	$safe->permit_only (Opcode::opset qw(
		3336	:base_core :base_mem :base_orig :base_math :base_loop
		3337	grepstart grepwhile mapstart mapwhile
		3338	sort time
		3339	));
2580		3340
2581	# here we export the classes and methods available to script code	3341	# here we export the classes and methods available to script code
2582		3342
2583	=pod	3343	=pod
2584		3344
2585	The following functions and methods are available within a safe environment:	3345	The following functions and methods are available within a safe environment:
2586		3346
2587	cf::object contr pay_amount pay_player map	3347	cf::object
		3348	contr pay_amount pay_player map x y force_find force_add destroy
		3349	insert remove name archname title slaying race decrease split
		3350	value
		3351
2588	cf::object::player player	3352	cf::object::player
2589	cf::player peaceful	3353	player
2590	cf::map trigger	3354
		3355	cf::player
		3356	peaceful
		3357
		3358	cf::map
		3359	trigger
2591		3360
2592	=cut	3361	=cut
2593		3362
2594	for (	3363	for (
2595	["cf::object" => qw(contr pay_amount pay_player map)],	3364	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3365	insert remove inv nrof name archname title slaying race
		3366	decrease split destroy change_exp value msg lore send_msg)],
2596	["cf::object::player" => qw(player)],	3367	["cf::object::player" => qw(player)],
2597	["cf::player" => qw(peaceful)],	3368	["cf::player" => qw(peaceful send_msg)],
2598	["cf::map" => qw(trigger)],	3369	["cf::map" => qw(trigger)],
2599	) {	3370	) {
2600	no strict 'refs';
2601	my ($pkg, @funs) = @$_;	3371	my ($pkg, @funs) = @$_;
2602	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3372	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2603	for @funs;	3373	for @funs;
2604	}	3374	}
2605		3375
…		…
2620		3390
2621	my $qcode = $code;	3391	my $qcode = $code;
2622	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3392	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2623	$qcode =~ s/\n/\\n/g;	3393	$qcode =~ s/\n/\\n/g;
2624		3394
		3395	%vars = (_dummy => 0) unless %vars;
		3396
		3397	my @res;
2625	local $_;	3398	local $_;
2626	local @safe::cf::_safe_eval_args = values %vars;
2627		3399
2628	my $eval =	3400	my $eval =
2629	"do {\n"	3401	"do {\n"
2630	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3402	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2631	. "#line 0 \"{$qcode}\"\n"	3403	. "#line 0 \"{$qcode}\"\n"
2632	. $code	3404	. $code
2633	. "\n}"	3405	. "\n}"
2634	;	3406	;
2635		3407
		3408	if ($CFG{safe_eval}) {
2636	sub_generation_inc;	3409	sub_generation_inc;
		3410	local @safe::cf::_safe_eval_args = values %vars;
2637	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3411	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2638	sub_generation_inc;	3412	sub_generation_inc;
		3413	} else {
		3414	local @cf::_safe_eval_args = values %vars;
		3415	@res = wantarray ? eval eval : scalar eval $eval;
		3416	}
2639		3417
2640	if ($@) {	3418	if ($@) {
2641	warn "$@";	3419	warn "$@",
2642	warn "while executing safe code '$code'\n";	3420	"while executing safe code '$code'\n",
2643	warn "with arguments " . (join " ", %vars) . "\n";	3421	"with arguments " . (join " ", %vars) . "\n";
2644	}	3422	}
2645		3423
2646	wantarray ? @res : $res[0]	3424	wantarray ? @res : $res[0]
2647	}	3425	}
2648		3426
…		…
2662	=cut	3440	=cut
2663		3441
2664	sub register_script_function {	3442	sub register_script_function {
2665	my ($fun, $cb) = @_;	3443	my ($fun, $cb) = @_;
2666		3444
2667	no strict 'refs';	3445	$fun = "safe::$fun" if $CFG{safe_eval};
2668	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3446	*$fun = $safe_hole->wrap ($cb);
2669	}	3447	}
2670		3448
2671	=back	3449	=back
2672		3450
2673	=cut	3451	=cut
…		…
2676	# the server's init and main functions	3454	# the server's init and main functions
2677		3455
2678	sub load_facedata($) {	3456	sub load_facedata($) {
2679	my ($path) = @_;	3457	my ($path) = @_;
2680		3458
		3459	# HACK to clear player env face cache, we need some signal framework
		3460	# for this (global event?)
		3461	%ext::player_env::MUSIC_FACE_CACHE = ();
		3462
		3463	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3464
2681	warn "loading facedata from $path\n";	3465	trace "loading facedata from $path\n";
2682		3466
2683	my $facedata;	3467	my $facedata = decode_storable load_file $path;
2684	0 < aio_load $path, $facedata
2685	or die "$path: $!";
2686
2687	$facedata = Coro::Storable::thaw $facedata;
2688		3468
2689	$facedata->{version} == 2	3469	$facedata->{version} == 2
2690	or cf::cleanup "$path: version mismatch, cannot proceed.";	3470	or cf::cleanup "$path: version mismatch, cannot proceed.";
2691		3471
		3472	# patch in the exptable
		3473	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3474	$facedata->{resource}{"res/exp_table"} = {
		3475	type => FT_RSRC,
		3476	data => $exp_table,
		3477	hash => (Digest::MD5::md5 $exp_table),
		3478	};
		3479	cf::cede_to_tick;
		3480
2692	{	3481	{
2693	my $faces = $facedata->{faceinfo};	3482	my $faces = $facedata->{faceinfo};
2694		3483
2695	while (my ($face, $info) = each %$faces) {	3484	while (my ($face, $info) = each %$faces) {
2696	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3485	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3486
2697	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3487	cf::face::set_visibility $idx, $info->{visibility};
		3488	cf::face::set_magicmap $idx, $info->{magicmap};
2698	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3489	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2699	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3490	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2700	Coro::cede;	3491	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3492
		3493	cf::cede_to_tick;
2701	}	3494	}
2702		3495
2703	while (my ($face, $info) = each %$faces) {	3496	while (my ($face, $info) = each %$faces) {
2704	next unless $info->{smooth};	3497	next unless $info->{smooth};
		3498
2705	my $idx = cf::face::find $face	3499	my $idx = cf::face::find $face
2706	or next;	3500	or next;
		3501
2707	if (my $smooth = cf::face::find $info->{smooth}) {	3502	if (my $smooth = cf::face::find $info->{smooth}) {
		3503	cf::face::set_smooth $idx, $smooth;
2708	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3504	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2709	} else {	3505	} else {
2710	warn "smooth face '$info->{smooth}' not found for face '$face'";	3506	error "smooth face '$info->{smooth}' not found for face '$face'";
2711	}	3507	}
2712	Coro::cede;	3508
		3509	cf::cede_to_tick;
2713	}	3510	}
2714	}	3511	}
2715		3512
2716	{	3513	{
2717	my $anims = $facedata->{animinfo};	3514	my $anims = $facedata->{animinfo};
2718		3515
2719	while (my ($anim, $info) = each %$anims) {	3516	while (my ($anim, $info) = each %$anims) {
2720	cf::anim::set $anim, $info->{frames}, $info->{facings};	3517	cf::anim::set $anim, $info->{frames}, $info->{facings};
2721	Coro::cede;	3518	cf::cede_to_tick;
2722	}	3519	}
2723		3520
2724	cf::anim::invalidate_all; # d'oh	3521	cf::anim::invalidate_all; # d'oh
2725	}	3522	}
2726		3523
		3524	{
		3525	my $res = $facedata->{resource};
		3526
		3527	while (my ($name, $info) = each %$res) {
		3528	if (defined $info->{type}) {
		3529	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3530
		3531	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3532	cf::face::set_type $idx, $info->{type};
		3533	} else {
		3534	$RESOURCE{$name} = $info; # unused
		3535	}
		3536
		3537	cf::cede_to_tick;
		3538	}
		3539	}
		3540
		3541	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3542
2727	1	3543	1
2728	}	3544	}
2729		3545
		3546	register_exticmd fx_want => sub {
		3547	my ($ns, $want) = @_;
		3548
		3549	while (my ($k, $v) = each %$want) {
		3550	$ns->fx_want ($k, $v);
		3551	}
		3552	};
		3553
		3554	sub load_resource_file($) {
		3555	my $guard = lock_acquire "load_resource_file";
		3556
		3557	my $status = load_resource_file_ $_[0];
		3558	get_slot 0.1, 100;
		3559	cf::arch::commit_load;
		3560
		3561	$status
		3562	}
		3563
2730	sub reload_regions {	3564	sub reload_regions {
		3565	# HACK to clear player env face cache, we need some signal framework
		3566	# for this (global event?)
		3567	%ext::player_env::MUSIC_FACE_CACHE = ();
		3568
2731	load_resource_file "$MAPDIR/regions"	3569	load_resource_file "$MAPDIR/regions"
2732	or die "unable to load regions file\n";	3570	or die "unable to load regions file\n";
		3571
		3572	for (cf::region::list) {
		3573	$_->{match} = qr/$_->{match}/
		3574	if exists $_->{match};
		3575	}
2733	}	3576	}
2734		3577
2735	sub reload_facedata {	3578	sub reload_facedata {
2736	load_facedata "$DATADIR/facedata"	3579	load_facedata "$DATADIR/facedata"
2737	or die "unable to load facedata\n";	3580	or die "unable to load facedata\n";
2738	}	3581	}
2739		3582
2740	sub reload_archetypes {	3583	sub reload_archetypes {
2741	load_resource_file "$DATADIR/archetypes"	3584	load_resource_file "$DATADIR/archetypes"
2742	or die "unable to load archetypes\n";	3585	or die "unable to load archetypes\n";
2743	#d# NEED to laod twice to resolve forward references
2744	# this really needs to be done in an extra post-pass
2745	# (which needs to be synchronous, so solve it differently)
2746	load_resource_file "$DATADIR/archetypes"
2747	or die "unable to load archetypes\n";
2748	}	3586	}
2749		3587
2750	sub reload_treasures {	3588	sub reload_treasures {
2751	load_resource_file "$DATADIR/treasures"	3589	load_resource_file "$DATADIR/treasures"
2752	or die "unable to load treasurelists\n";	3590	or die "unable to load treasurelists\n";
2753	}	3591	}
2754		3592
		3593	sub reload_sound {
		3594	trace "loading sound config from $DATADIR/sound\n";
		3595
		3596	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3597
		3598	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3599	my $sound = $soundconf->{compat}[$_]
		3600	or next;
		3601
		3602	my $face = cf::face::find "sound/$sound->[1]";
		3603	cf::sound::set $sound->[0] => $face;
		3604	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3605	}
		3606
		3607	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3608	my $face = cf::face::find "sound/$v";
		3609	cf::sound::set $k => $face;
		3610	}
		3611	}
		3612
2755	sub reload_resources {	3613	sub reload_resources {
2756	warn "reloading resource files...\n";	3614	trace "reloading resource files...\n";
2757		3615
		3616	reload_exp_table;
		3617	reload_materials;
		3618	reload_facedata;
		3619	reload_sound;
		3620	reload_archetypes;
2758	reload_regions;	3621	reload_regions;
2759	reload_facedata;
2760	#reload_archetypes;#d#
2761	reload_archetypes;
2762	reload_treasures;	3622	reload_treasures;
2763		3623
2764	warn "finished reloading resource files\n";	3624	trace "finished reloading resource files\n";
2765	}	3625	}
2766		3626
2767	sub init {	3627	sub reload_config {
2768	reload_resources;	3628	trace "reloading config file...\n";
2769	}
2770		3629
2771	sub cfg_load {	3630	my $config = load_file "$CONFDIR/config";
2772	open my $fh, "<:utf8", "$CONFDIR/config"	3631	utf8::decode $config;
2773	or return;	3632	*CFG = decode_yaml $config;
2774		3633
2775	local $/;
2776	*CFG = YAML::Syck::Load <$fh>;
2777
2778	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3634	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2779		3635
2780	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3636	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2781	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3637	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2782		3638
2783	if (exists $CFG{mlockall}) {	3639	if (exists $CFG{mlockall}) {
…		…
2787	};	3643	};
2788	warn $@ if $@;	3644	warn $@ if $@;
2789	}	3645	}
2790	}	3646	}
2791		3647
		3648	sub pidfile() {
		3649	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3650	or die "$PIDFILE: $!";
		3651	flock $fh, &Fcntl::LOCK_EX
		3652	or die "$PIDFILE: flock: $!";
		3653	$fh
		3654	}
		3655
		3656	# make sure only one server instance is running at any one time
		3657	sub atomic {
		3658	my $fh = pidfile;
		3659
		3660	my $pid = <$fh>;
		3661	kill 9, $pid if $pid > 0;
		3662
		3663	seek $fh, 0, 0;
		3664	print $fh $$;
		3665	}
		3666
		3667	sub main_loop {
		3668	trace "EV::loop starting\n";
		3669	if (1) {
		3670	EV::loop;
		3671	}
		3672	trace "EV::loop returned\n";
		3673	goto &main_loop unless $REALLY_UNLOOP;
		3674	}
		3675
2792	sub main {	3676	sub main {
		3677	cf::init_globals; # initialise logging
		3678
		3679	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3680	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3681	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3682	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3683
		3684	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3685
2793	# we must not ever block the main coroutine	3686	# we must not ever block the main coroutine
2794	local $Coro::idle = sub {	3687	local $Coro::idle = sub {
2795	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3688	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2796	(async {	3689	(async {
2797	Event::one_event;	3690	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3691	EV::loop EV::LOOP_ONESHOT;
2798	})->prio (Coro::PRIO_MAX);	3692	})->prio (Coro::PRIO_MAX);
2799	};	3693	};
2800		3694
2801	cfg_load;	3695	evthread_start IO::AIO::poll_fileno;
		3696
		3697	cf::sync_job {
		3698	cf::incloader::init ();
		3699
		3700	cf::init_anim;
		3701	cf::init_attackmess;
		3702	cf::init_dynamic;
		3703
		3704	cf::load_settings;
		3705
		3706	reload_resources;
		3707	reload_config;
2802	db_init;	3708	db_init;
		3709
		3710	cf::init_uuid;
		3711	cf::init_signals;
		3712	cf::init_skills;
		3713
		3714	cf::init_beforeplay;
		3715
		3716	atomic;
		3717
2803	load_extensions;	3718	load_extensions;
2804		3719
2805	$TICK_WATCHER->start;	3720	utime time, time, $RUNTIMEFILE;
2806	Event::loop;	3721
		3722	# no (long-running) fork's whatsoever before this point(!)
		3723	use POSIX ();
		3724	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3725
		3726	cf::_post_init 0;
		3727	};
		3728
		3729	cf::object::thawer::errors_are_fatal 0;
		3730	info "parse errors in files are no longer fatal from this point on.\n";
		3731
		3732	my $free_main; $free_main = EV::idle sub {
		3733	undef $free_main;
		3734	undef &main; # free gobs of memory :)
		3735	};
		3736
		3737	goto &main_loop;
2807	}	3738	}
2808		3739
2809	#############################################################################	3740	#############################################################################
2810	# initialisation and cleanup	3741	# initialisation and cleanup
2811		3742
2812	# install some emergency cleanup handlers	3743	# install some emergency cleanup handlers
2813	BEGIN {	3744	BEGIN {
		3745	our %SIGWATCHER = ();
2814	for my $signal (qw(INT HUP TERM)) {	3746	for my $signal (qw(INT HUP TERM)) {
2815	Event->signal (	3747	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2816	reentrant => 0,
2817	data => WF_AUTOCANCEL,
2818	signal => $signal,
2819	prio => 0,
2820	cb => sub {
2821	cf::cleanup "SIG$signal";	3748	cf::cleanup "SIG$signal";
2822	},
2823	);	3749	};
2824	}	3750	}
2825	}	3751	}
2826		3752
2827	sub write_runtime {	3753	sub write_runtime_sync {
2828	my $runtime = "$LOCALDIR/runtime";	3754	my $t0 = AE::time;
2829		3755
2830	# first touch the runtime file to show we are still running:	3756	# first touch the runtime file to show we are still running:
2831	# the fsync below can take a very very long time.	3757	# the fsync below can take a very very long time.
2832		3758
2833	IO::AIO::aio_utime $runtime, undef, undef;	3759	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2834		3760
2835	my $guard = cf::lock_acquire "write_runtime";	3761	my $guard = cf::lock_acquire "write_runtime";
2836		3762
2837	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3763	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2838	or return;	3764	or return;
2839		3765
2840	my $value = $cf::RUNTIME + 90 + 10;	3766	my $value = $cf::RUNTIME + 90 + 10;
2841	# 10 is the runtime save interval, for a monotonic clock	3767	# 10 is the runtime save interval, for a monotonic clock
2842	# 60 allows for the watchdog to kill the server.	3768	# 60 allows for the watchdog to kill the server.
…		…
2852	aio_utime $fh, undef, undef;	3778	aio_utime $fh, undef, undef;
2853		3779
2854	close $fh	3780	close $fh
2855	or return;	3781	or return;
2856		3782
2857	aio_rename "$runtime~", $runtime	3783	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2858	and return;	3784	and return;
2859		3785
2860	warn "runtime file written.\n";	3786	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2861		3787
2862	1	3788	1
		3789	}
		3790
		3791	our $uuid_lock;
		3792	our $uuid_skip;
		3793
		3794	sub write_uuid_sync($) {
		3795	$uuid_skip ||= $_[0];
		3796
		3797	return if $uuid_lock;
		3798	local $uuid_lock = 1;
		3799
		3800	my $uuid = "$LOCALDIR/uuid";
		3801
		3802	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3803	or return;
		3804
		3805	my $value = uuid_seq uuid_cur;
		3806
		3807	unless ($value) {
		3808	info "cowardly refusing to write zero uuid value!\n";
		3809	return;
		3810	}
		3811
		3812	my $value = uuid_str $value + $uuid_skip;
		3813	$uuid_skip = 0;
		3814
		3815	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3816	and return;
		3817
		3818	# always fsync - this file is important
		3819	aio_fsync $fh
		3820	and return;
		3821
		3822	close $fh
		3823	or return;
		3824
		3825	aio_rename "$uuid~", $uuid
		3826	and return;
		3827
		3828	trace "uuid file written ($value).\n";
		3829
		3830	1
		3831
		3832	}
		3833
		3834	sub write_uuid($$) {
		3835	my ($skip, $sync) = @_;
		3836
		3837	$sync ? write_uuid_sync $skip
		3838	: async { write_uuid_sync $skip };
2863	}	3839	}
2864		3840
2865	sub emergency_save() {	3841	sub emergency_save() {
2866	my $freeze_guard = cf::freeze_mainloop;	3842	my $freeze_guard = cf::freeze_mainloop;
2867		3843
2868	warn "enter emergency perl save\n";	3844	info "emergency_perl_save: enter\n";
		3845
		3846	# this is a trade-off: we want to be very quick here, so
		3847	# save all maps without fsync, and later call a global sync
		3848	# (which in turn might be very very slow)
		3849	local $USE_FSYNC = 0;
2869		3850
2870	cf::sync_job {	3851	cf::sync_job {
		3852	cf::write_runtime_sync; # external watchdog should not bark
		3853
2871	# use a peculiar iteration method to avoid tripping on perl	3854	# use a peculiar iteration method to avoid tripping on perl
2872	# refcount bugs in for. also avoids problems with players	3855	# refcount bugs in for. also avoids problems with players
2873	# and maps saved/destroyed asynchronously.	3856	# and maps saved/destroyed asynchronously.
2874	warn "begin emergency player save\n";	3857	info "emergency_perl_save: begin player save\n";
2875	for my $login (keys %cf::PLAYER) {	3858	for my $login (keys %cf::PLAYER) {
2876	my $pl = $cf::PLAYER{$login} or next;	3859	my $pl = $cf::PLAYER{$login} or next;
2877	$pl->valid or next;	3860	$pl->valid or next;
		3861	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2878	$pl->save;	3862	$pl->save;
2879	}	3863	}
2880	warn "end emergency player save\n";	3864	info "emergency_perl_save: end player save\n";
2881		3865
2882	warn "begin emergency map save\n";	3866	cf::write_runtime_sync; # external watchdog should not bark
		3867
		3868	info "emergency_perl_save: begin map save\n";
2883	for my $path (keys %cf::MAP) {	3869	for my $path (keys %cf::MAP) {
2884	my $map = $cf::MAP{$path} or next;	3870	my $map = $cf::MAP{$path} or next;
2885	$map->valid or next;	3871	$map->valid or next;
2886	$map->save;	3872	$map->save;
2887	}	3873	}
2888	warn "end emergency map save\n";	3874	info "emergency_perl_save: end map save\n";
2889		3875
2890	warn "begin emergency database checkpoint\n";	3876	cf::write_runtime_sync; # external watchdog should not bark
		3877
		3878	info "emergency_perl_save: begin database checkpoint\n";
2891	BDB::db_env_txn_checkpoint $DB_ENV;	3879	BDB::db_env_txn_checkpoint $DB_ENV;
2892	warn "end emergency database checkpoint\n";	3880	info "emergency_perl_save: end database checkpoint\n";
		3881
		3882	info "emergency_perl_save: begin write uuid\n";
		3883	write_uuid_sync 1;
		3884	info "emergency_perl_save: end write uuid\n";
		3885
		3886	cf::write_runtime_sync; # external watchdog should not bark
		3887
		3888	trace "emergency_perl_save: syncing database to disk";
		3889	BDB::db_env_txn_checkpoint $DB_ENV;
		3890
		3891	info "emergency_perl_save: starting sync\n";
		3892	IO::AIO::aio_sync sub {
		3893	info "emergency_perl_save: finished sync\n";
		3894	};
		3895
		3896	cf::write_runtime_sync; # external watchdog should not bark
		3897
		3898	trace "emergency_perl_save: flushing outstanding aio requests";
		3899	while (IO::AIO::nreqs || BDB::nreqs) {
		3900	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3901	}
		3902
		3903	cf::write_runtime_sync; # external watchdog should not bark
2893	};	3904	};
2894		3905
2895	warn "leave emergency perl save\n";	3906	info "emergency_perl_save: leave\n";
2896	}	3907	}
2897		3908
2898	sub post_cleanup {	3909	sub post_cleanup {
2899	my ($make_core) = @_;	3910	my ($make_core) = @_;
2900		3911
		3912	IO::AIO::flush;
		3913
2901	warn Carp::longmess "post_cleanup backtrace"	3914	error Carp::longmess "post_cleanup backtrace"
2902	if $make_core;	3915	if $make_core;
		3916
		3917	my $fh = pidfile;
		3918	unlink $PIDFILE if <$fh> == $$;
		3919	}
		3920
		3921	# a safer delete_package, copied from Symbol
		3922	sub clear_package($) {
		3923	my $pkg = shift;
		3924
		3925	# expand to full symbol table name if needed
		3926	unless ($pkg =~ /^main::.*::$/) {
		3927	$pkg = "main$pkg" if $pkg =~ /^::/;
		3928	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3929	$pkg .= '::' unless $pkg =~ /::$/;
		3930	}
		3931
		3932	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3933	my $stem_symtab = *{$stem}{HASH};
		3934
		3935	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3936	or return;
		3937
		3938	# clear all symbols
		3939	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3940	for my $name (keys %$leaf_symtab) {
		3941	_gv_clear *{"$pkg$name"};
		3942	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3943	}
2903	}	3944	}
2904		3945
2905	sub do_reload_perl() {	3946	sub do_reload_perl() {
2906	# can/must only be called in main	3947	# can/must only be called in main
2907	if ($Coro::current != $Coro::main) {	3948	unless (in_main) {
2908	warn "can only reload from main coroutine";	3949	error "can only reload from main coroutine";
2909	return;	3950	return;
2910	}	3951	}
2911		3952
2912	warn "reloading...";	3953	return if $RELOAD++;
2913		3954
2914	warn "entering sync_job";	3955	my $t1 = AE::time;
2915		3956
		3957	while ($RELOAD) {
		3958	cf::get_slot 0.1, -1, "reload_perl";
		3959	info "perl_reload: reloading...";
		3960
		3961	trace "perl_reload: entering sync_job";
		3962
2916	cf::sync_job {	3963	cf::sync_job {
2917	cf::write_runtime; # external watchdog should not bark
2918	cf::emergency_save;	3964	#cf::emergency_save;
2919	cf::write_runtime; # external watchdog should not bark
2920		3965
2921	warn "syncing database to disk";
2922	BDB::db_env_txn_checkpoint $DB_ENV;
2923
2924	# if anything goes wrong in here, we should simply crash as we already saved
2925
2926	warn "cancelling all WF_AUTOCANCEL watchers";
2927	for (Event::all_watchers) {
2928	$_->cancel if $_->data & WF_AUTOCANCEL;
2929	}
2930
2931	warn "flushing outstanding aio requests";
2932	for (;;) {
2933	BDB::flush;
2934	IO::AIO::flush;
2935	Coro::cede;
2936	last unless IO::AIO::nreqs || BDB::nreqs;
2937	warn "iterate...";
2938	}
2939
2940	++$RELOAD;
2941
2942	warn "cancelling all extension coros";	3966	trace "perl_reload: cancelling all extension coros";
2943	$_->cancel for values %EXT_CORO;	3967	$_->cancel for values %EXT_CORO;
2944	%EXT_CORO = ();	3968	%EXT_CORO = ();
2945		3969
2946	warn "removing commands";	3970	trace "perl_reload: removing commands";
2947	%COMMAND = ();	3971	%COMMAND = ();
2948		3972
2949	warn "removing ext/exti commands";	3973	trace "perl_reload: removing ext/exti commands";
2950	%EXTCMD = ();	3974	%EXTCMD = ();
2951	%EXTICMD = ();	3975	%EXTICMD = ();
2952		3976
2953	warn "unloading/nuking all extensions";	3977	trace "perl_reload: unloading/nuking all extensions";
2954	for my $pkg (@EXTS) {	3978	for my $pkg (@EXTS) {
2955	warn "... unloading $pkg";	3979	trace "... unloading $pkg";
2956		3980
2957	if (my $cb = $pkg->can ("unload")) {	3981	if (my $cb = $pkg->can ("unload")) {
2958	eval {	3982	eval {
2959	$cb->($pkg);	3983	$cb->($pkg);
2960	1	3984	1
2961	} or warn "$pkg unloaded, but with errors: $@";	3985	} or error "$pkg unloaded, but with errors: $@";
		3986	}
		3987
		3988	trace "... clearing $pkg";
		3989	clear_package $pkg;
2962	}	3990	}
2963		3991
2964	warn "... nuking $pkg";
2965	Symbol::delete_package $pkg;
2966	}
2967
2968	warn "unloading all perl modules loaded from $LIBDIR";	3992	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2969	while (my ($k, $v) = each %INC) {	3993	while (my ($k, $v) = each %INC) {
2970	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3994	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2971		3995
2972	warn "... unloading $k";	3996	trace "... unloading $k";
2973	delete $INC{$k};	3997	delete $INC{$k};
2974		3998
2975	$k =~ s/\.pm$//;	3999	$k =~ s/\.pm$//;
2976	$k =~ s/\//::/g;	4000	$k =~ s/\//::/g;
2977		4001
2978	if (my $cb = $k->can ("unload_module")) {	4002	if (my $cb = $k->can ("unload_module")) {
2979	$cb->();	4003	$cb->();
		4004	}
		4005
		4006	clear_package $k;
2980	}	4007	}
2981		4008
2982	Symbol::delete_package $k;
2983	}
2984
2985	warn "getting rid of safe::, as good as possible";	4009	trace "perl_reload: getting rid of safe::, as good as possible";
2986	Symbol::delete_package "safe::$_"	4010	clear_package "safe::$_"
2987	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4011	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2988		4012
2989	warn "unloading cf.pm \"a bit\"";	4013	trace "perl_reload: unloading cf.pm \"a bit\"";
2990	delete $INC{"cf.pm"};	4014	delete $INC{"cf.pm"};
2991	delete $INC{"cf/pod.pm"};	4015	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2992		4016
2993	# don't, removes xs symbols, too,	4017	# don't, removes xs symbols, too,
2994	# and global variables created in xs	4018	# and global variables created in xs
2995	#Symbol::delete_package __PACKAGE__;	4019	#clear_package __PACKAGE__;
2996		4020
2997	warn "unload completed, starting to reload now";	4021	info "perl_reload: unload completed, starting to reload now";
2998		4022
2999	warn "reloading cf.pm";	4023	trace "perl_reload: reloading cf.pm";
3000	require cf;	4024	require cf;
3001	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4025	cf::_connect_to_perl_1;
3002		4026
3003	warn "loading config and database again";	4027	trace "perl_reload: loading config and database again";
3004	cf::cfg_load;	4028	cf::reload_config;
3005		4029
3006	warn "loading extensions";	4030	trace "perl_reload: loading extensions";
3007	cf::load_extensions;	4031	cf::load_extensions;
3008		4032
		4033	if ($REATTACH_ON_RELOAD) {
3009	warn "reattaching attachments to objects/players";	4034	trace "perl_reload: reattaching attachments to objects/players";
3010	_global_reattach; # objects, sockets	4035	_global_reattach; # objects, sockets
3011	warn "reattaching attachments to maps";	4036	trace "perl_reload: reattaching attachments to maps";
3012	reattach $_ for values %MAP;	4037	reattach $_ for values %MAP;
3013	warn "reattaching attachments to players";	4038	trace "perl_reload: reattaching attachments to players";
3014	reattach $_ for values %PLAYER;	4039	reattach $_ for values %PLAYER;
		4040	}
3015		4041
3016	warn "leaving sync_job";	4042	cf::_post_init 1;
3017		4043
		4044	trace "perl_reload: leaving sync_job";
		4045
3018	1	4046	1
3019	} or do {	4047	} or do {
3020	warn $@;	4048	error $@;
3021	warn "error while reloading, exiting.";	4049	cf::cleanup "perl_reload: error, exiting.";
3022	exit 1;	4050	};
		4051
		4052	--$RELOAD;
3023	};	4053	}
3024		4054
3025	warn "reloaded";	4055	$t1 = AE::time - $t1;
		4056	info "perl_reload: completed in ${t1}s\n";
3026	};	4057	};
3027		4058
3028	our $RELOAD_WATCHER; # used only during reload	4059	our $RELOAD_WATCHER; # used only during reload
3029		4060
3030	sub reload_perl() {	4061	sub reload_perl() {
3031	# doing reload synchronously and two reloads happen back-to-back,	4062	# doing reload synchronously and two reloads happen back-to-back,
3032	# coro crashes during coro_state_free->destroy here.	4063	# coro crashes during coro_state_free->destroy here.
3033		4064
3034	$RELOAD_WATCHER ||= Event->timer (	4065	$RELOAD_WATCHER ||= cf::async {
3035	reentrant => 0,	4066	Coro::AIO::aio_wait cache_extensions;
3036	after => 0,	4067
3037	data => WF_AUTOCANCEL,	4068	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3038	cb => sub {
3039	do_reload_perl;	4069	do_reload_perl;
3040	undef $RELOAD_WATCHER;	4070	undef $RELOAD_WATCHER;
3041	},	4071	};
3042	);	4072	};
3043	}	4073	}
3044		4074
3045	register_command "reload" => sub {	4075	register_command "reload" => sub {
3046	my ($who, $arg) = @_;	4076	my ($who, $arg) = @_;
3047		4077
3048	if ($who->flag (FLAG_WIZ)) {	4078	if ($who->flag (FLAG_WIZ)) {
3049	$who->message ("reloading server.");	4079	$who->message ("reloading server.");
		4080	async {
		4081	$Coro::current->{desc} = "perl_reload";
3050	async { reload_perl };	4082	reload_perl;
		4083	};
3051	}	4084	}
3052	};	4085	};
3053		4086
3054	unshift @INC, $LIBDIR;	4087	#############################################################################
3055		4088
3056	my $bug_warning = 0;	4089	my $bug_warning = 0;
3057		4090
3058	our @WAIT_FOR_TICK;	4091	our @WAIT_FOR_TICK;
3059	our @WAIT_FOR_TICK_BEGIN;	4092	our @WAIT_FOR_TICK_BEGIN;
3060		4093
3061	sub wait_for_tick {	4094	sub wait_for_tick() {
3062	return unless $TICK_WATCHER->is_active;
3063	return if $Coro::current == $Coro::main;	4095	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3064		4096
3065	my $signal = new Coro::Signal;	4097	my $signal = new Coro::Signal;
3066	push @WAIT_FOR_TICK, $signal;	4098	push @WAIT_FOR_TICK, $signal;
3067	$signal->wait;	4099	$signal->wait;
3068	}	4100	}
3069		4101
3070	sub wait_for_tick_begin {	4102	sub wait_for_tick_begin() {
3071	return unless $TICK_WATCHER->is_active;
3072	return if $Coro::current == $Coro::main;	4103	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3073		4104
3074	my $signal = new Coro::Signal;	4105	my $signal = new Coro::Signal;
3075	push @WAIT_FOR_TICK_BEGIN, $signal;	4106	push @WAIT_FOR_TICK_BEGIN, $signal;
3076	$signal->wait;	4107	$signal->wait;
3077	}	4108	}
3078		4109
3079	my $min = 1e6;#d#	4110	sub tick {
3080	my $avg = 10;
3081	$TICK_WATCHER = Event->timer (
3082	reentrant => 0,
3083	parked => 1,
3084	prio => 0,
3085	at => $NEXT_TICK || $TICK,
3086	data => WF_AUTOCANCEL,
3087	cb => sub {
3088	if ($Coro::current != $Coro::main) {	4111	if ($Coro::current != $Coro::main) {
3089	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4112	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3090	unless ++$bug_warning > 10;	4113	unless ++$bug_warning > 10;
3091	return;	4114	return;
3092	}	4115	}
3093		4116
3094	$NOW = $tick_start = Event::time;
3095
3096	cf::server_tick; # one server iteration	4117	cf::server_tick; # one server iteration
3097		4118
3098	0 && sync_job {#d#	4119	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3099	for(1..10) {
3100	my $t = Event::time;
3101	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3102	or die;
3103		4120
3104	$map->width (50);	4121	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3105	$map->height (50);	4122	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3106	$map->alloc;	4123	Coro::async_pool {
3107	$map->_load_objects ("/tmp/x.map", 1);	4124	$Coro::current->{desc} = "runtime saver";
3108	my $t = Event::time - $t;	4125	write_runtime_sync
3109		4126	or error "ERROR: unable to write runtime file: $!";
3110	#next unless $t < 0.0013;#d#
3111	if ($t < $min) {
3112	$min = $t;
3113	}
3114	$avg = $avg * 0.99 + $t * 0.01;
3115	}
3116	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3117	exit 0;
3118	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3119	};	4127	};
		4128	}
3120		4129
3121	$RUNTIME += $TICK;
3122	$NEXT_TICK += $TICK;
3123
3124	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3125	$NEXT_RUNTIME_WRITE = $NOW + 10;
3126	Coro::async_pool {
3127	write_runtime
3128	or warn "ERROR: unable to write runtime file: $!";
3129	};
3130	}
3131
3132	# my $AFTER = Event::time;
3133	# warn $AFTER - $NOW;#d#
3134
3135	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4130	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3136	$sig->send;	4131	$sig->send;
3137	}	4132	}
3138	while (my $sig = shift @WAIT_FOR_TICK) {	4133	while (my $sig = shift @WAIT_FOR_TICK) {
3139	$sig->send;	4134	$sig->send;
3140	}	4135	}
3141		4136
3142	$NOW = Event::time;	4137	$LOAD = ($NOW - $TICK_START) / $TICK;
3143
3144	# if we are delayed by four ticks or more, skip them all
3145	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3146
3147	$TICK_WATCHER->at ($NEXT_TICK);
3148	$TICK_WATCHER->start;
3149
3150	$LOAD = ($NOW - $tick_start) / $TICK;
3151	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4138	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3152		4139
3153	_post_tick;	4140	if (0) {
3154		4141	if ($NEXT_TICK) {
3155		4142	my $jitter = $TICK_START - $NEXT_TICK;
		4143	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4144	debug "jitter $JITTER\n";#d#
		4145	}
3156	},	4146	}
3157	);	4147	}
3158		4148
3159	{	4149	{
3160	BDB::max_poll_time $TICK * 0.1;	4150	# configure BDB
3161	$BDB_POLL_WATCHER = Event->io (	4151
3162	reentrant => 0,
3163	fd => BDB::poll_fileno,
3164	poll => 'r',
3165	prio => 0,
3166	data => WF_AUTOCANCEL,
3167	cb => \&BDB::poll_cb,
3168	);
3169	BDB::min_parallel 8;	4152	BDB::min_parallel 16;
3170		4153	BDB::max_poll_reqs $TICK * 0.1;
3171	BDB::set_sync_prepare {	4154	$AnyEvent::BDB::WATCHER->priority (1);
3172	my $status;
3173	my $current = $Coro::current;
3174	(
3175	sub {
3176	$status = $!;
3177	$current->ready; undef $current;
3178	},
3179	sub {
3180	Coro::schedule while defined $current;
3181	$! = $status;
3182	},
3183	)
3184	};
3185		4155
3186	unless ($DB_ENV) {	4156	unless ($DB_ENV) {
3187	$DB_ENV = BDB::db_env_create;	4157	$DB_ENV = BDB::db_env_create;
		4158	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4159	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4160	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4161	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4162	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3188		4163
3189	cf::sync_job {	4164	cf::sync_job {
3190	eval {	4165	eval {
3191	BDB::db_env_open	4166	BDB::db_env_open
3192	$DB_ENV,	4167	$DB_ENV,
…		…
3194	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4169	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3195	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4170	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3196	0666;	4171	0666;
3197		4172
3198	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4173	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3199
3200	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3201	$DB_ENV->set_lk_detect;
3202	};	4174	};
3203		4175
3204	cf::cleanup "db_env_open(db): $@" if $@;	4176	cf::cleanup "db_env_open(db): $@" if $@;
3205	};	4177	};
3206	}	4178	}
		4179
		4180	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4181	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4182	};
		4183	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4184	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4185	};
		4186	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4187	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4188	};
3207	}	4189	}
3208		4190
3209	{	4191	{
		4192	# configure IO::AIO
		4193
3210	IO::AIO::min_parallel 8;	4194	IO::AIO::min_parallel 8;
3211
3212	undef $Coro::AIO::WATCHER;
3213	IO::AIO::max_poll_time $TICK * 0.1;	4195	IO::AIO::max_poll_time $TICK * 0.1;
3214	$AIO_POLL_WATCHER = Event->io (	4196	undef $AnyEvent::AIO::WATCHER;
3215	reentrant => 0,
3216	data => WF_AUTOCANCEL,
3217	fd => IO::AIO::poll_fileno,
3218	poll => 'r',
3219	prio => 6,
3220	cb => \&IO::AIO::poll_cb,
3221	);
3222	}	4197	}
3223		4198
3224	my $_log_backtrace;	4199	our $_log_backtrace;
		4200	our $_log_backtrace_last;
3225		4201
3226	sub _log_backtrace {	4202	sub _log_backtrace {
3227	my ($msg, @addr) = @_;	4203	my ($msg, @addr) = @_;
3228		4204
3229	$msg =~ s/\n//;	4205	$msg =~ s/\n$//;
3230		4206
		4207	if ($_log_backtrace_last eq $msg) {
		4208	LOG llevInfo, "[ABT] $msg\n";
		4209	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3231	# limit the # of concurrent backtraces	4210	# limit the # of concurrent backtraces
3232	if ($_log_backtrace < 2) {	4211	} elsif ($_log_backtrace < 2) {
		4212	$_log_backtrace_last = $msg;
3233	++$_log_backtrace;	4213	++$_log_backtrace;
		4214	my $perl_bt = Carp::longmess $msg;
3234	async {	4215	async {
		4216	$Coro::current->{desc} = "abt $msg";
		4217
3235	my @bt = fork_call {	4218	my @bt = fork_call {
3236	@addr = map { sprintf "%x", $_ } @addr;	4219	@addr = map { sprintf "%x", $_ } @addr;
3237	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4220	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3238	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4221	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3239	or die "addr2line: $!";	4222	or die "addr2line: $!";
…		…
3247	}	4230	}
3248		4231
3249	@funcs	4232	@funcs
3250	};	4233	};
3251		4234
3252	LOG llevInfo, "[ABT] $msg\n";	4235	LOG llevInfo, "[ABT] $perl_bt\n";
		4236	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3253	LOG llevInfo, "[ABT] $_\n" for @bt;	4237	LOG llevInfo, "[ABT] $_\n" for @bt;
3254	--$_log_backtrace;	4238	--$_log_backtrace;
3255	};	4239	};
3256	} else {	4240	} else {
3257	LOG llevInfo, "[ABT] $msg\n";	4241	LOG llevInfo, "[ABT] $msg\n";
3258	LOG llevInfo, "[ABT] [suppressed]\n";	4242	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3259	}	4243	}
3260	}	4244	}
3261		4245
3262	# load additional modules	4246	# load additional modules
3263	use cf::pod;	4247	require "cf/$_.pm" for @EXTRA_MODULES;
		4248	cf::_connect_to_perl_2;
3264		4249
3265	END { cf::emergency_save }	4250	END { cf::emergency_save }
3266		4251
3267	1	4252	1
3268		4253

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