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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.310 by elmex, Mon Jul 16 15:43:49 2007 UTC vs.
Revision 1.564 by elmex, Thu Apr 28 14:58:08 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;
34	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
35		64
36	# configure various modules to our taste	65	# configure various modules to our taste
37	#	66	#
38	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
39	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";
40	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
41		75
42	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
43		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		78
49	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;
50		82
51	our %COMMAND = ();	83	our %COMMAND = ();
52	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
53		85
54	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
55	our %EXTCMD = ();	87	our %EXTCMD = ();
56	our %EXTICMD = ();	88	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
59		91
60	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
62		96
63	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
64	our $DATADIR = datadir;	99	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
68	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
73	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;
74		120
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	123	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
82		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
85		132
86	our %CFG;	133	our %CFG;
87		134
88	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
90		138
91	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
94		142
95	# 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 ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		145
98	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)
99	our $LOADAVG; # same thing, but with alpha-smoothing	147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
100	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 $REALLY_UNLOOP; # never set to true, please :)
101		155
102	binmode STDOUT;	156	binmode STDOUT;
103	binmode STDERR;	157	binmode STDERR;
104		158
105	# read virtual server time, if available	159	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	161	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
110	}	164	}
		165
		166	eval "sub TICK() { $TICK } 1" or die;
111		167
112	mkdir $_	168	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		170
115	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
116		172
117	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::"} };
118		189
119	#############################################################################	190	#############################################################################
120		191
121	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
122		193
…		…
158		229
159	The raw value load value from the last tick.	230	The raw value load value from the last tick.
160		231
161	=item %cf::CFG	232	=item %cf::CFG
162		233
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	235	from wherever your confdir points to.
165		236
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		238
168	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
169	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
170	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.
171		242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
172	=item @cf::INVOKE_RESULTS	248	=item @cf::INVOKE_RESULTS
173		249
174	This array contains the results of the last C<invoke ()> call. When	250	This array contains the results of the last C<invoke ()> call. When
175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
176	that call.	252	that call.
177		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
178	=back	260	=back
179		261
180	=cut	262	=cut
181		263
182	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
183	*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 {
184	my $msg = join "", @_;	271	my $msg = join "", @_;
185		272
186	$msg .= "\n"	273	$msg .= "\n"
187	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
188		275
189	$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;
190		277
191	utf8::encode $msg;
192	LOG llevError, $msg;	278	LOG llevWarn, $msg;
193	};	279	};
194	}	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	};
195		294
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	305	for my $pkg (qw(
207	cf::global cf::attachable	306	cf::global cf::attachable
208	cf::object cf::object::player	307	cf::object cf::object::player
209	cf::client cf::player	308	cf::client cf::player
210	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
211	cf::map cf::party cf::region	311	cf::party cf::region
212	)) {	312	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	314	}
216		315
217	$Event::DIED = sub {	316	$EV::DIED = sub {
218	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
219	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
220		324
221	#############################################################################	325	#############################################################################
222		326
223	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
224		328
…		…
245	$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;
246	$d	350	$d
247	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
248	}	352	}
249		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
250	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
251		369
252	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
253		371
254	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
255		373
256	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
257		375
258	=cut	376	=cut
259		377
260	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
261		379
262	sub to_json ($) { $json_coder->encode ($_[0]) }	380	sub encode_json($) { $json_coder->encode ($_[0]) }
263	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	}
264		444
265	=item cf::lock_wait $string	445	=item cf::lock_wait $string
266		446
267	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
268		448
269	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
270		450
271	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
272	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,
273	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
274	returned.	454	returned.
275		455
		456	Locks are *not* recursive, locking from the same coro twice results in a
		457	deadlocked coro.
		458
276	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
277	uses map_find and cf::map::load uses map_load).	460	uses map_find and cf::map::load uses map_load).
278		461
279	=item $locked = cf::lock_active $string	462	=item $locked = cf::lock_active $string
280		463
281	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.
282		465
283	=cut	466	=cut
284		467
285	our %LOCK;	468	our $LOCKS = new Coro::SemaphoreSet;
286		469
287	sub lock_wait($) {	470	sub lock_wait($) {
288	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
289
290	# wait for lock, if any
291	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;
294	}
295	}	472	}
296		473
297	sub lock_acquire($) {	474	sub lock_acquire($) {
298	my ($key) = @_;	475	$LOCKS->guard ($_[0])
299
300	# wait, to be sure we are not locked
301	lock_wait $key;
302
303	$LOCK{$key} = [];
304
305	Coro::guard {
306	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };
308	}
309	}	476	}
310		477
311	sub lock_active($) {	478	sub lock_active($) {
312	my ($key) = @_;	479	$LOCKS->count ($_[0]) < 1
313
314	! ! $LOCK{$key}
315	}	480	}
316		481
317	sub freeze_mainloop {	482	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
319		484
320	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
321	$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	}
322	};	556	}
323	$TICK_WATCHER->stop;	557	};
324	$guard	558
		559	sub get_slot($;$$) {
		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;
325	}	572	}
326		573
327	=item cf::async { BLOCK }	574	=item cf::async { BLOCK }
328		575
329	Currently the same as Coro::async_pool, meaning you cannot use	576	Currently the same as Coro::async_pool, meaning you cannot use
…		…
334		581
335	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
336		583
337	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
338		585
339	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	586	The design of Deliantra requires that the main coroutine ($Coro::main)
340	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
341	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
342	acceptable.	589	acceptable.
343		590
344	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
345	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
…		…
349	=cut	596	=cut
350		597
351	sub sync_job(&) {	598	sub sync_job(&) {
352	my ($job) = @_;	599	my ($job) = @_;
353		600
354	if ($Coro::current == $Coro::main) {	601	if (in_main) {
355	my $time = Event::time;	602	my $time = AE::time;
356		603
357	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
358	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
359		606
360	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
361	# (but this is cancel-safe)	608
362	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
363		610
364	my $busy = 1;	611	my $busy = 1;
365	my @res;	612	my @res;
366		613
367	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
368	@res = eval { $job->() };	616	@res = eval { $job->() };
369	warn $@ if $@;	617	error $@ if $@;
370	undef $busy;	618	undef $busy;
371	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
372		620
373	while ($busy) {	621	while ($busy) {
374	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
375	}	626	}
		627	}
376		628
377	$time = Event::time - $time;	629	my $time = AE::time - $time;
378		630
379	LOG llevError | logBacktrace, Carp::longmess "long sync job"
380	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
381
382	$tick_start += $time; # do not account sync jobs to server load	631	$TICK_START += $time; # do not account sync jobs to server load
383		632
384	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
385	} else {	634	} else {
386	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
387		636
…		…
407	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
408		657
409	$coro	658	$coro
410	}	659	}
411		660
412	=item fork_call { }, $args	661	=item fork_call { }, @args
413		662
414	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
415	process, returning the results. Everything must be serialisable with	664	process, returning the results. Everything must be serialisable with
416	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
417	never block itself or use any form of Event handling.	666	never block itself or use any form of event handling.
418		667
419	=cut	668	=cut
420		669
421	sub _store_scalar {	670	sub post_fork {
422	open my $fh, ">", \my $buf	671	reset_signals;
423	or die "fork_call: cannot open fh-to-buf in child : $!";
424	Storable::store_fd $_[0], $fh;
425	close $fh;
426
427	$buf
428	}	672	}
429		673
430	sub fork_call(&@) {	674	sub fork_call(&@) {
431	my ($cb, @args) = @_;	675	my ($cb, @args) = @_;
432		676
433	# 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,
434	# or die "socketpair: $!";	678	# otherwise perl prematurely frees the stuff :/
435	pipe my $fh1, my $fh2	679	# TODO: investigate and fix (likely this will be rather laborious)
436	or die "pipe: $!";
437		680
438	if (my $pid = fork) {	681	my @res = Coro::Util::fork_eval {
439	close $fh2;	682	cf::post_fork;
		683	&$cb
		684	} @args;
440		685
441	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	686	wantarray ? @res : $res[-1]
442	warn "pst<$res>" unless $res =~ /^pst/;	687	}
443	$res = Coro::Storable::thaw $res;
444		688
445	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	689	sub objinfo {
446
447	Carp::confess $$res unless "ARRAY" eq ref $res;
448
449	return wantarray ? @$res : $res->[-1];
450	} else {
451	reset_signals;
452	local $SIG{__WARN__};
453	local $SIG{__DIE__};
454	# just in case, this hack effectively disables event
455	# in the child. cleaner and slower would be canceling all watchers,
456	# but this works for the time being.
457	local $Coro::idle;
458	$Coro::current->prio (Coro::PRIO_MAX);
459
460	eval {
461	close $fh1;
462
463	my @res = eval { $cb->(@args) };
464
465	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
466	close $fh2;
467	};
468
469	warn $@ if $@;
470	_exit 0;
471	}	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
472	}	725	}
473		726
474	=item $value = cf::db_get $family => $key	727	=item $value = cf::db_get $family => $key
475		728
476	Returns a single value from the environment database.	729	Returns a single value from the environment database.
…		…
478	=item cf::db_put $family => $key => $value	731	=item cf::db_put $family => $key => $value
479		732
480	Stores the given C<$value> in the family. It can currently store binary	733	Stores the given C<$value> in the family. It can currently store binary
481	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).
482		735
		736	=item $db = cf::db_table "name"
		737
		738	Create and/or open a new database table. The string must not be "db" and must be unique
		739	within each server.
		740
483	=cut	741	=cut
		742
		743	sub db_table($) {
		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	}
484		762
485	our $DB;	763	our $DB;
486		764
487	sub db_init {	765	sub db_init {
488	unless ($DB) {	766	$DB ||= db_table "db";
489	$DB = BDB::db_create $DB_ENV;
490
491	cf::sync_job {
492	eval {
493	$DB->set_flags (BDB::CHKSUM);
494
495	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
496	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
497	cf::cleanup "db_open(db): $!" if $!;
498	};
499	cf::cleanup "db_open(db): $@" if $@;
500	};
501	}
502	}	767	}
503		768
504	sub db_get($$) {	769	sub db_get($$) {
505	my $key = "$_[0]/$_[1]";	770	my $key = "$_[0]/$_[1]";
506		771
507	cf::sync_job {	772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
508	BDB::db_get $DB, undef, $key, my $data;	775	BDB::db_get $DB, undef, $key, my $data;
509		776
510	$! ? ()	777	$! ? ()
511	: $data	778	: $data
512	}
513	}	779	}
514		780
515	sub db_put($$$) {	781	sub db_put($$$) {
516	BDB::dbreq_pri 4;	782	BDB::dbreq_pri 4;
517	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
545		811
546	my @data;	812	my @data;
547	my $md5;	813	my $md5;
548		814
549	for (0 .. $#$src) {	815	for (0 .. $#$src) {
550	0 <= aio_load $src->[$_], $data[$_]	816	$data[$_] = load_file $src->[$_];
551	or Carp::croak "$src->[$_]: $!";
552	}	817	}
553		818
554	# if processing is expensive, check	819	# if processing is expensive, check
555	# checksum first	820	# checksum first
556	if (1) {	821	if (1) {
557	$md5 =	822	$md5 =
558	join "\x00",	823	join "\x00",
559	$processversion,	824	$processversion,
560	map {	825	map {
561	Coro::cede;	826	cf::cede_to_tick;
562	($src->[$_], Digest::MD5::md5_hex $data[$_])	827	($src->[$_], Digest::MD5::md5_hex $data[$_])
563	} 0.. $#$src;	828	} 0.. $#$src;
564		829
565		830
566	my $dbmd5 = db_get cache => "$id/md5";	831	my $dbmd5 = db_get cache => "$id/md5";
…		…
573		838
574	my $t1 = Time::HiRes::time;	839	my $t1 = Time::HiRes::time;
575	my $data = $process->(\@data);	840	my $data = $process->(\@data);
576	my $t2 = Time::HiRes::time;	841	my $t2 = Time::HiRes::time;
577		842
578	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
579		844
580	db_put cache => "$id/data", $data;	845	db_put cache => "$id/data", $data;
581	db_put cache => "$id/md5" , $md5;	846	db_put cache => "$id/md5" , $md5;
582	db_put cache => "$id/meta", $meta;	847	db_put cache => "$id/meta", $meta;
583		848
…		…
593		858
594	=cut	859	=cut
595		860
596	sub datalog($@) {	861	sub datalog($@) {
597	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
598	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
599	}	864	}
600		865
601	=back	866	=back
602		867
603	=cut	868	=cut
604		869
605	#############################################################################	870	#############################################################################
606		871
607	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
608		873
609	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
610	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")
611	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
612		877
613	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>
614	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
615	Crossfire TRT).	880	Deliantra).
616		881
617	=over 4	882	=over 4
618		883
619	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
620		885
…		…
664	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
665		930
666	Register an attachment by C<$name> through which attachable objects of the	931	Register an attachment by C<$name> through which attachable objects of the
667	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
668		933
669	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
670	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.
671		936
672	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
673		938
674	=over 4	939	=over 4
…		…
798		1063
799	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
800	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
801		1066
802	} elsif (ref $type) {	1067	} elsif (ref $type) {
803	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
804		1069
805	} else {	1070	} else {
806	shift @arg;	1071	shift @arg;
807	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
808	}	1073	}
809	}	1074	}
810	}	1075	}
811		1076
812	sub _object_attach {	1077	sub _object_attach {
…		…
822	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
823	}	1088	}
824		1089
825	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
826	} else {	1091	} else {
827	warn "object uses attachment '$name' which is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
828	}	1093	}
829		1094
830	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
831	}	1096	}
832		1097
…		…
891		1156
892	for (@$callbacks) {	1157	for (@$callbacks) {
893	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
894		1159
895	if ($@) {	1160	if ($@) {
896	warn "$@";
897	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
898	override;	1162	override;
899	}	1163	}
900		1164
901	return 1 if $override;	1165	return 1 if $override;
902	}	1166	}
903		1167
904	0	1168	0
905	}	1169	}
906		1170
907	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
908		1172
909	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
910		1174
911	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
912		1176
…		…
919	=cut	1183	=cut
920		1184
921	#############################################################################	1185	#############################################################################
922	# object support	1186	# object support
923		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, $ob2
		1228	}
		1229
924	sub reattach {	1230	sub reattach {
925	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
926	my ($obj) = @_;	1232	my ($obj) = @_;
927		1233
		1234	# no longer needed after getting rid of delete_package?
928	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
929		1236
930	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
931		1238
932	@$registry = ();	1239	@$registry = ();
933		1240
…		…
938	for (@$attach) {	1245	for (@$attach) {
939	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
940	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
941	}	1248	}
942	} else {	1249	} else {
943	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
944	}	1251	}
945	}	1252	}
946	}	1253	}
947		1254
948	cf::attachable->attach (	1255	cf::attachable->attach (
949	prio => -1000000,	1256	prio => -1000000,
950	on_instantiate => sub {	1257	on_instantiate => sub {
951	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
952		1259
953	$data = from_json $data;	1260	$data = decode_json $data;
954		1261
955	for (@$data) {	1262	for (@$data) {
956	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
957		1264
958	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
974	sub object_freezer_save {	1281	sub object_freezer_save {
975	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
976		1283
977	sync_job {	1284	sync_job {
978	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
979	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
980	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
981		1290
982	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
983	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
984	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
985	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	}
986	close $fh;	1298	aio_close $fh;
987		1299
988	if (@$objs) {	1300	if (@$objs) {
989	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) {
990	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
991	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
992	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
993	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	}
994	close $fh;	1309	aio_close $fh;
995	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
996	}	1311	}
997	} else {	1312	} else {
998	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
999	}	1314	}
1000		1315
1001	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
1002	} else {	1320	} else {
1003	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
1004	}	1322	}
1005	} else {	1323	} else {
1006	aio_unlink $filename;	1324	aio_unlink $filename;
1007	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
1008	}	1326	}
1009	}	1327	};
1010	}	1328	}
1011		1329
1012	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
1013	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
1014		1332
…		…
1026	or return;	1344	or return;
1027		1345
1028	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
1029	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
1030	or return;	1348	or return;
		1349
1031	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
1032	}	1352	}
1033		1353
		1354	utf8::decode (my $decname = $filename);
1034	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
1035	$filename, length $data, scalar @{$av || []};	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
1036	return ($data, $av);	1359	($data, $av)
1037	}	1360	}
1038		1361
1039	=head2 COMMAND CALLBACKS	1362	=head2 COMMAND CALLBACKS
1040		1363
1041	=over 4	1364	=over 4
…		…
1095	my ($name, $cb) = @_;	1418	my ($name, $cb) = @_;
1096		1419
1097	$EXTICMD{$name} = $cb;	1420	$EXTICMD{$name} = $cb;
1098	}	1421	}
1099		1422
		1423	use File::Glob ();
		1424
1100	cf::player->attach (	1425	cf::player->attach (
1101	on_command => sub {	1426	on_unknown_command => sub {
1102	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
1103		1428
1104	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
1105	or return;	1430	or return;
1106		1431
…		…
1114	my ($pl, $buf) = @_;	1439	my ($pl, $buf) = @_;
1115		1440
1116	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1441	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1117		1442
1118	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
1119	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1451	if (my $cb = $EXTCMD{$type}) {
1120	if (my %reply = $cb->($pl, $msg)) {	1452	@reply = $cb->($pl, @payload);
1121	$pl->ext_reply ($msg->{msgid}, %reply);
1122	}
1123	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
1124	} else {	1458	} else {
1125	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1126	}	1460	}
1127		1461
1128	cf::override;	1462	cf::override;
1129	},	1463	},
1130	);	1464	);
1131		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
1132	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
1133	cf::sync_job {	1482	cf::sync_job {
1134	my %todo;	1483	my %todo;
1135		1484
1136	for my $path (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
1137	next unless -r $path;	1486	next unless -r $path;
…		…
1155		1504
1156	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1157	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1158		1507
1159	$ext{source} =	1508	$ext{source} =
1160	"package $pkg; use strict; use utf8;\n"	1509	"package $pkg; use common::sense;\n"
1161	. "#line 1 \"$path\"\n{\n"	1510	. "#line 1 \"$path\"\n{\n"
1162	. $source	1511	. $source
1163	. "\n};\n1";	1512	. "\n};\n1";
1164		1513
1165	$todo{$base} = \%ext;	1514	$todo{$base} = \%ext;
1166	}	1515	}
1167		1516
		1517	my $pass = 0;
1168	my %done;	1518	my %done;
1169	while (%todo) {	1519	while (%todo) {
1170	my $progress;	1520	my $progress;
1171		1521
		1522	++$pass;
		1523
		1524	ext:
1172	while (my ($k, $v) = each %todo) {	1525	while (my ($k, $v) = each %todo) {
1173	for (split /,\s*/, $v->{meta}{depends}) {	1526	for (split /,\s*/, $v->{meta}{depends}) {
1174	goto skip	1527	next ext
1175	unless exists $done{$_};	1528	unless exists $done{$_};
1176	}	1529	}
1177		1530
1178	warn "... loading '$k' into '$v->{pkg}'\n";	1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1179		1532
1180	unless (eval $v->{source}) {	1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
1181	my $msg = $@ ? "$v->{path}: $@\n"	1536	error "$v->{path}: $@\n";
1182	: "$v->{base}: extension inactive.\n";
1183		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1184	if (exists $v->{meta}{mandatory}) {	1539	if exists $v->{meta}{mandatory};
1185	warn $msg;	1540
1186	warn "mandatory extension failed to load, exiting.\n";	1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1187	exit 1;	1542	delete $todo{$k};
1188	}	1543	} else {
1189		1544	$done{$k} = delete $todo{$k};
1190	warn $msg;	1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
1191	}	1550	}
1192
1193	$done{$k} = delete $todo{$k};
1194	push @EXTS, $v->{pkg};
1195	$progress = 1;
1196	}	1551	}
1197		1552
1198	skip:	1553	unless ($progress) {
1199	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1200	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	}
1201	}	1563	}
1202	};	1564	};
1203	}	1565	}
1204		1566
1205	#############################################################################	1567	#############################################################################
1206		1568
1207	=back	1569	=back
1208		1570
1209	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
1210		1572
1211	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
1212		1574
1213	=cut	1575	=cut
1214		1576
1215	package cf::player;	1577	package cf::player;
1216		1578
1217	use Coro::AIO;	1579	use Coro::AIO;
1218		1580
1219	=head3 cf::player	1581	=head3 cf::player
1220		1582
1221	=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	}
1222		1598
1223	=item cf::player::find $login	1599	=item cf::player::find $login
1224		1600
1225	Returns the given player object, loading it if necessary (might block).	1601	Returns the given player object, loading it if necessary (might block).
1226		1602
…		…
1245		1621
1246	sub exists($) {	1622	sub exists($) {
1247	my ($login) = @_;	1623	my ($login) = @_;
1248		1624
1249	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
1250	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
1251	}	1627	}
1252		1628
1253	sub find($) {	1629	sub find($) {
1254	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
1255	my $login = $_[0];	1631	my $login = $_[0];
…		…
1262	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1638	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1263	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1639	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1264	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1640	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1265	aio_unlink +(playerdir $login) . "/$login.pl";	1641	aio_unlink +(playerdir $login) . "/$login.pl";
1266		1642
1267	my $pl = load_pl path $login	1643	my $f = new_from_file cf::object::thawer path $login
1268	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;
1269	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1270	}	1652	}
1271	}	1653	}
1272	}	1654	}
		1655
		1656	cf::player->attach (
		1657	on_load => sub {
		1658	my ($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	);
1273		1668
1274	sub save($) {	1669	sub save($) {
1275	my ($pl) = @_;	1670	my ($pl) = @_;
1276		1671
1277	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
…		…
1282	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1283		1678
1284	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1285	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
1286		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
1287	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1288	Coro::cede;	1688	cf::cede_to_tick;
1289	}	1689	}
1290		1690
1291	sub new($) {	1691	sub new($) {
1292	my ($login) = @_;	1692	my ($login) = @_;
1293		1693
…		…
1299	$cf::PLAYER{$login} = $self;	1699	$cf::PLAYER{$login} = $self;
1300		1700
1301	$self	1701	$self
1302	}	1702	}
1303		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
1304	=item $pl->quit_character	1714	=item $pl->quit_character
1305		1715
1306	Nukes the player without looking back. If logged in, the connection will	1716	Nukes the player without looking back. If logged in, the connection will
1307	be destroyed. May block for a long time.	1717	be destroyed. May block for a long time.
1308		1718
…		…
1312	my ($pl) = @_;	1722	my ($pl) = @_;
1313		1723
1314	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1315		1725
1316	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1317	$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
1318		1728
1319	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1320	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1321	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1322	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1323		1737
1324	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1325	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1326	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1361	or return [];	1775	or return [];
1362		1776
1363	my @logins;	1777	my @logins;
1364		1778
1365	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") {
1366	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1367	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1368	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
1369		1789
1370	utf8::decode $login;	1790	utf8::decode $login;
1371	push @logins, $login;	1791	push @logins, $login;
1372	}	1792	}
1373		1793
1374	\@logins	1794	\@logins
1375	}	1795	}
1376		1796
1377	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1378		1800
1379	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1380	player. May block.	1802	player. May block.
1381		1803
1382	=cut	1804	=cut
…		…
1394	for (@$files) {	1816	for (@$files) {
1395	utf8::decode $_;	1817	utf8::decode $_;
1396	next if /\.(?:pl|pst)$/;	1818	next if /\.(?:pl|pst)$/;
1397	next unless /^$PATH_SEP/o;	1819	next unless /^$PATH_SEP/o;
1398		1820
1399	push @paths, cf::map::normalise "~$pl/$_";	1821	push @paths, cf::map::normalise "~$pl/$_", $pl->map;
1400	}	1822	}
1401		1823
1402	\@paths	1824	\@paths
1403	}	1825	}
1404		1826
1405	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1406		1828
1407	Expand crossfire pod fragments into protocol xml.	1829	Expand deliantra pod fragments into protocol xml.
1408		1830
1409	=cut
1410
1411	sub expand_cfpod {
1412	((my $self), (local $_)) = @_;
1413
1414	# escape & and <
1415	s/&/&amp;/g;
1416	s/(?<![BIUGH])</&lt;/g;
1417
1418	# this is buggy, it needs to properly take care of nested <'s
1419
1420	1 while
1421	# replace B<>, I<>, U<> etc.
1422	s/B<([^\>]*)>/<b>$1<\/b>/
1423	|| s/I<([^\>]*)>/<i>$1<\/i>/
1424	|| s/U<([^\>]*)>/<u>$1<\/u>/
1425	# replace G<male|female> tags
1426	|| s{G<([^>|]*)\|([^>]*)>}{
1427	$self->gender ? $2 : $1
1428	}ge
1429	# replace H<hint text>
1430	|| s{H<([^\>]*)>}
1431	{
1432	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1433	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1434	"")
1435	[$self->{hintmode}]
1436	}ge;
1437
1438	# create single paragraphs (very hackish)
1439	s/(?<=\S)\n(?=\w)/ /g;
1440
1441	# compress some whitespace
1442	s/\s+\n/\n/g; # ws line-ends
1443	s/\n\n+/\n/g; # double lines
1444	s/^\n+//; # beginning lines
1445	s/\n+$//; # ending lines
1446
1447	$_
1448	}
1449
1450	sub hintmode {
1451	$_[0]{hintmode} = $_[1] if @_ > 1;
1452	$_[0]{hintmode}
1453	}
1454
1455	=item $player->ext_reply ($msgid, %msg)	1831	=item $player->ext_reply ($msgid, @msg)
1456		1832
1457	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1458		1834
1459	=cut	1835	=cut
1460		1836
1461	sub ext_reply($$%) {	1837	sub ext_reply($$@) {
1462	my ($self, $id, %msg) = @_;	1838	my ($self, $id, @msg) = @_;
1463		1839
1464	$msg{msgid} = $id;	1840	$self->ns->ext_reply ($id, @msg)
1465	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1466	}	1841	}
1467		1842
1468	=item $player->ext_event ($type, %msg)	1843	=item $player->ext_msg ($type, @msg)
1469		1844
1470	Sends an ext event to the client.	1845	Sends an ext event to the client.
1471		1846
1472	=cut	1847	=cut
1473		1848
1474	sub ext_event($$%) {	1849	sub ext_msg($$@) {
1475	my ($self, $type, %msg) = @_;	1850	my ($self, $type, @msg) = @_;
1476		1851
1477	$self->ns->ext_event ($type, %msg);	1852	$self->ns->ext_msg ($type, @msg);
1478	}	1853	}
1479		1854
1480	=head3 cf::region	1855	=head3 cf::region
1481		1856
1482	=over 4	1857	=over 4
…		…
1491		1866
1492	=cut	1867	=cut
1493		1868
1494	sub find_by_path($) {	1869	sub find_by_path($) {
1495	my ($path) = @_;	1870	my ($path) = @_;
		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
1496		1873
1497	my ($match, $specificity);	1874	my ($match, $specificity);
1498		1875
1499	for my $region (list) {	1876	for my $region (list) {
1500	if ($region->{match} && $path =~ $region->{match}) {	1877	if ($region->{match} && $path =~ $region->{match}) {
…		…
1526	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1527	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1528		1905
1529	sub generate_random_map {	1906	sub generate_random_map {
1530	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1531	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1532	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1533	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1534	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1535	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1536	$rmp->{exit_on_final_map},
1537	$rmp->{xsize}, $rmp->{ysize},
1538	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1539	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1540	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1541	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1542	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1543	(cf::region::find $rmp->{region}), $rmp->{custom}
1544	)
1545	}	1912	}
1546		1913
1547	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1548		1915
1549	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
…		…
1554		1921
1555	sub register {	1922	sub register {
1556	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1557	my $pkg = caller;	1924	my $pkg = caller;
1558		1925
1559	no strict;
1560	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1561		1927
1562	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1563	}	1929	}
1564		1930
1565	# also paths starting with '/'	1931	# also paths starting with '/'
1566	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1567		1933
1568	sub thawer_merge {	1934	sub thawer_merge {
1569	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1570		1936
1571	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
…		…
1576	}	1942	}
1577		1943
1578	sub normalise {	1944	sub normalise {
1579	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1580		1946
1581	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1582		1948
1583	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1584		1950
1585	# map plan:	1951	# map plan:
1586	#	1952	#
…		…
1588	# {... are special paths that are not being touched	1954	# {... are special paths that are not being touched
1589	# ?xxx/... are special absolute paths	1955	# ?xxx/... are special absolute paths
1590	# ?random/... random maps	1956	# ?random/... random maps
1591	# /... normal maps	1957	# /... normal maps
1592	# ~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
1593		1960
1594	$path =~ s/$PATH_SEP/\//go;	1961	$path =~ s/$PATH_SEP/\//go;
1595		1962
1596	# treat it as relative path if it starts with	1963	# treat it as relative path if it starts with
1597	# something that looks reasonable	1964	# something that looks reasonable
1598	if ($path =~ m{^(?:\./|\.\./|\w)}) {	1965	if ($path =~ m{^(?:\./|\.\./|\w)}) {
1599	$base or Carp::carp "normalise called with relative path and no base: '$path'";	1966	$base or Carp::carp "normalise called with relative path and no base: '$path'";
1600		1967
1601	$base =~ s{[^/]+/?$}{};	1968	$base =~ s{[^/]+/?$}{};
1602	$path = "$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 $dpth;
1603	}	1984	}
1604		1985
1605	for ($path) {	1986	for ($path) {
1606	redo if s{//}{/};
1607	redo if s{/\.?/}{/};	1987	redo if s{/\.?/}{/};
1608	redo if s{/[^/]+/\.\./}{/};	1988	redo if s{/[^/]+/\.\./}{/};
1609	}	1989	}
1610		1990
1611	$path	1991	$path
…		…
1625	$self->init; # pass $1 etc.	2005	$self->init; # pass $1 etc.
1626	return $self;	2006	return $self;
1627	}	2007	}
1628	}	2008	}
1629		2009
1630	Carp::cluck "unable to resolve path '$path' (base '$base').";	2010	Carp::cluck "unable to resolve path '$path' (base '$base')";
1631	()	2011	()
1632	}	2012	}
1633		2013
		2014	# may re-bless or do other evil things
1634	sub init {	2015	sub init {
1635	my ($self) = @_;	2016	my ($self) = @_;
1636		2017
1637	$self	2018	$self
1638	}	2019	}
…		…
1657		2038
1658	# the temporary/swap location	2039	# the temporary/swap location
1659	sub save_path {	2040	sub save_path {
1660	my ($self) = @_;	2041	my ($self) = @_;
1661		2042
1662	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2043	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1663	"$TMPDIR/$path.map"	2044	"$TMPDIR/$path.map"
1664	}	2045	}
1665		2046
1666	# the unique path, undef == no special unique path	2047	# the unique path, undef == no special unique path
1667	sub uniq_path {	2048	sub uniq_path {
1668	my ($self) = @_;	2049	my ($self) = @_;
1669		2050
1670	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2051	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1671	"$UNIQUEDIR/$path"	2052	"$UNIQUEDIR/$path"
1672	}
1673
1674	# and all this just because we cannot iterate over
1675	# all maps in C++...
1676	sub change_all_map_light {
1677	my ($change) = @_;
1678
1679	$_->change_map_light ($change)
1680	for grep $_->outdoor, values %cf::MAP;
1681	}	2053	}
1682		2054
1683	sub decay_objects {	2055	sub decay_objects {
1684	my ($self) = @_;	2056	my ($self) = @_;
1685		2057
…		…
1698		2070
1699	sub load_header_from($) {	2071	sub load_header_from($) {
1700	my ($self, $path) = @_;	2072	my ($self, $path) = @_;
1701		2073
1702	utf8::encode $path;	2074	utf8::encode $path;
1703	#aio_open $path, O_RDONLY, 0	2075	my $f = new_from_file cf::object::thawer $path
1704	# or return;
1705
1706	$self->_load_header ($path)
1707	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;
1708		2083
1709	$self->{load_path} = $path;	2084	$self->{load_path} = $path;
1710		2085
1711	1	2086	1
1712	}	2087	}
…		…
1764		2139
1765	sub find;	2140	sub find;
1766	sub find {	2141	sub find {
1767	my ($path, $origin) = @_;	2142	my ($path, $origin) = @_;
1768		2143
		2144	cf::cede_to_tick;
		2145
1769	$path = normalise $path, $origin && $origin->path;	2146	$path = normalise $path, $origin;
1770		2147
		2148	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1771	cf::lock_wait "map_find:$path";	2149	my $guard2 = cf::lock_acquire "map_find:$path";
1772		2150
1773	$cf::MAP{$path} || do {	2151	$cf::MAP{$path} || do {
1774	my $guard = cf::lock_acquire "map_find:$path";
1775	my $map = new_from_path cf::map $path	2152	my $map = new_from_path cf::map $path
1776	or return;	2153	or return;
1777		2154
1778	$map->{last_save} = $cf::RUNTIME;	2155	$map->{last_save} = $cf::RUNTIME;
1779		2156
…		…
1781	or return;	2158	or return;
1782		2159
1783	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2160	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1784	# doing this can freeze the server in a sync job, obviously	2161	# doing this can freeze the server in a sync job, obviously
1785	#$cf::WAIT_FOR_TICK->wait;	2162	#$cf::WAIT_FOR_TICK->wait;
		2163	undef $guard2;
		2164	undef $guard1;
1786	$map->reset;	2165	$map->reset;
1787	undef $guard;
1788	return find $path;	2166	return find $path;
1789	}	2167	}
1790		2168
1791	$cf::MAP{$path} = $map	2169	$cf::MAP{$path} = $map
1792	}	2170	}
1793	}	2171	}
1794		2172
1795	sub pre_load { }	2173	sub pre_load { }
1796	sub post_load { }	2174	#sub post_load { } # XS
1797		2175
1798	sub load {	2176	sub load {
1799	my ($self) = @_;	2177	my ($self) = @_;
1800		2178
1801	local $self->{deny_reset} = 1; # loading can take a long time	2179	local $self->{deny_reset} = 1; # loading can take a long time
1802		2180
1803	my $path = $self->{path};	2181	my $path = $self->{path};
1804		2182
1805	{	2183	{
1806	my $guard = cf::lock_acquire "map_load:$path";	2184	my $guard = cf::lock_acquire "map_data:$path";
1807		2185
		2186	return unless $self->valid;
1808	return if $self->in_memory != cf::MAP_SWAPPED;	2187	return unless $self->in_memory == cf::MAP_SWAPPED;
1809		2188
1810	$self->in_memory (cf::MAP_LOADING);	2189	$self->in_memory (cf::MAP_LOADING);
1811		2190
1812	$self->alloc;	2191	$self->alloc;
1813		2192
1814	$self->pre_load;	2193	$self->pre_load;
1815	Coro::cede;	2194	cf::cede_to_tick;
1816		2195
1817	$self->_load_objects ($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)
1818	or return;	2200	or return;
1819		2201
1820	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2202	$self->post_load_original
1821	if delete $self->{load_original};	2203	if delete $self->{load_original};
1822		2204
1823	if (my $uniq = $self->uniq_path) {	2205	if (my $uniq = $self->uniq_path) {
1824	utf8::encode $uniq;	2206	utf8::encode $uniq;
1825	if (aio_open $uniq, O_RDONLY, 0) {	2207	unless (aio_stat $uniq) {
		2208	if (my $f = new_from_file cf::object::thawer $uniq) {
1826	$self->clear_unique_items;	2209	$self->clear_unique_items;
1827	$self->_load_objects ($uniq, 0);	2210	$self->_load_objects ($f);
		2211	$f->resolve_delayed_derefs;
		2212	}
		2213	}
1828	}	2214	}
1829	}
1830		2215
1831	Coro::cede;	2216	$f->resolve_delayed_derefs;
		2217	}
		2218
		2219	cf::cede_to_tick;
1832	# now do the right thing for maps	2220	# now do the right thing for maps
1833	$self->link_multipart_objects;	2221	$self->link_multipart_objects;
1834	$self->difficulty ($self->estimate_difficulty)	2222	$self->difficulty ($self->estimate_difficulty)
1835	unless $self->difficulty;	2223	unless $self->difficulty;
1836	Coro::cede;	2224	cf::cede_to_tick;
1837		2225
1838	unless ($self->{deny_activate}) {	2226	unless ($self->{deny_activate}) {
1839	$self->decay_objects;	2227	$self->decay_objects;
1840	$self->fix_auto_apply;	2228	$self->fix_auto_apply;
1841	$self->update_buttons;	2229	$self->update_buttons;
1842	Coro::cede;	2230	cf::cede_to_tick;
1843	$self->set_darkness_map;
1844	Coro::cede;
1845	$self->activate;	2231	$self->activate;
1846	}	2232	}
1847		2233
		2234	$self->{last_save} = $cf::RUNTIME;
		2235	$self->last_access ($cf::RUNTIME);
		2236
1848	$self->in_memory (cf::MAP_IN_MEMORY);	2237	$self->in_memory (cf::MAP_ACTIVE);
1849	}	2238	}
1850		2239
1851	$self->post_load;	2240	$self->post_load;
1852	}
1853		2241
		2242	1
		2243	}
		2244
		2245	# customize the map for a given player, i.e.
		2246	# return the _real_ map. used by e.g. per-player
		2247	# maps to change the path to ~playername/mappath
1854	sub customise_for {	2248	sub customise_for {
1855	my ($self, $ob) = @_;	2249	my ($self, $ob) = @_;
1856		2250
1857	return find "~" . $ob->name . "/" . $self->{path}	2251	return find "~" . $ob->name . "/" . $self->{path}
1858	if $self->per_player;	2252	if $self->per_player;
…		…
1862		2256
1863	$self	2257	$self
1864	}	2258	}
1865		2259
1866	# find and load all maps in the 3x3 area around a map	2260	# find and load all maps in the 3x3 area around a map
1867	sub load_diag {	2261	sub load_neighbours {
1868	my ($map) = @_;	2262	my ($map) = @_;
1869		2263
1870	my @diag; # diagonal neighbours	2264	my @neigh; # diagonal neighbours
1871		2265
1872	for (0 .. 3) {	2266	for (0 .. 3) {
1873	my $neigh = $map->tile_path ($_)	2267	my $neigh = $map->tile_path ($_)
1874	or next;	2268	or next;
1875	$neigh = find $neigh, $map	2269	$neigh = find $neigh, $map
1876	or next;	2270	or next;
1877	$neigh->load;	2271	$neigh->load;
1878		2272
		2273	# now find the diagonal neighbours
		2274	push @neigh,
1879	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2275	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1880	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2276	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1881	}	2277	}
1882		2278
1883	for (@diag) {	2279	for (grep defined $_->[0], @neigh) {
		2280	my ($path, $origin) = @$_;
1884	my $neigh = find @$_	2281	my $neigh = find $path, $origin
1885	or next;	2282	or next;
1886	$neigh->load;	2283	$neigh->load;
1887	}	2284	}
1888	}	2285	}
1889		2286
1890	sub find_sync {	2287	sub find_sync {
1891	my ($path, $origin) = @_;	2288	my ($path, $origin) = @_;
1892		2289
1893	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, $origin
1894	}	2294	}
1895		2295
1896	sub do_load_sync {	2296	sub do_load_sync {
1897	my ($map) = @_;	2297	my ($map) = @_;
1898		2298
1899	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;
1900	}	2303	}
1901		2304
1902	our %MAP_PREFETCH;	2305	our %MAP_PREFETCH;
1903	our $MAP_PREFETCHER = undef;	2306	our $MAP_PREFETCHER = undef;
1904		2307
1905	sub find_async {	2308	sub find_async {
1906	my ($path, $origin) = @_;	2309	my ($path, $origin, $load) = @_;
1907		2310
1908	$path = normalise $path, $origin && $origin->{path};	2311	$path = normalise $path, $origin;
1909		2312
1910	if (my $map = $cf::MAP{$path}) {	2313	if (my $map = $cf::MAP{$path}) {
1911	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2314	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1912	}	2315	}
1913		2316
1914	undef $MAP_PREFETCH{$path};	2317	$MAP_PREFETCH{$path} |= $load;
		2318
1915	$MAP_PREFETCHER ||= cf::async {	2319	$MAP_PREFETCHER ||= cf::async {
		2320	$Coro::current->{desc} = "map prefetcher";
		2321
1916	while (%MAP_PREFETCH) {	2322	while (%MAP_PREFETCH) {
1917	for my $path (keys %MAP_PREFETCH) {	2323	while (my ($k, $v) = each %MAP_PREFETCH) {
1918	if (my $map = find $path) {	2324	if (my $map = find $k) {
1919	$map->load;	2325	$map->load if $v;
1920	}	2326	}
1921		2327
1922	delete $MAP_PREFETCH{$path};	2328	delete $MAP_PREFETCH{$k};
1923	}	2329	}
1924	}	2330	}
1925	undef $MAP_PREFETCHER;	2331	undef $MAP_PREFETCHER;
1926	};	2332	};
1927	$MAP_PREFETCHER->prio (6);	2333	$MAP_PREFETCHER->prio (6);
1928		2334
1929	()	2335	()
1930	}	2336	}
1931		2337
		2338	# common code, used by both ->save and ->swapout
1932	sub save {	2339	sub _save {
1933	my ($self) = @_;	2340	my ($self) = @_;
1934
1935	my $lock = cf::lock_acquire "map_data:" . $self->path;
1936		2341
1937	$self->{last_save} = $cf::RUNTIME;	2342	$self->{last_save} = $cf::RUNTIME;
1938		2343
1939	return unless $self->dirty;	2344	return unless $self->dirty;
1940		2345
…		…
1946	return if $self->{deny_save};	2351	return if $self->{deny_save};
1947		2352
1948	local $self->{last_access} = $self->last_access;#d#	2353	local $self->{last_access} = $self->last_access;#d#
1949		2354
1950	cf::async {	2355	cf::async {
		2356	$Coro::current->{desc} = "map player save";
1951	$_->contr->save for $self->players;	2357	$_->contr->save for $self->players;
1952	};	2358	};
		2359
		2360	cf::get_slot 0.02;
1953		2361
1954	if ($uniq) {	2362	if ($uniq) {
1955	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2363	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1956	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2364	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1957	} else {	2365	} else {
1958	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2366	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1959	}	2367	}
1960	}	2368	}
1961		2369
		2370	sub save {
		2371	my ($self) = @_;
		2372
		2373	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2374
		2375	$self->_save;
		2376	}
		2377
1962	sub swap_out {	2378	sub swap_out {
1963	my ($self) = @_;	2379	my ($self) = @_;
1964		2380
1965	# save first because save cedes
1966	$self->save;
1967
1968	my $lock = cf::lock_acquire "map_data:" . $self->path;	2381	my $lock = cf::lock_acquire "map_data:$self->{path}";
1969		2382
		2383	return if $self->in_memory != cf::MAP_ACTIVE;
		2384	return if $self->{deny_save};
1970	return if $self->players;	2385	return if $self->players;
1971	return if $self->in_memory != cf::MAP_IN_MEMORY;
1972	return if $self->{deny_save};
1973		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
1974	$self->clear;	2396	$self->clear;
1975	$self->in_memory (cf::MAP_SWAPPED);
1976	}	2397	}
1977		2398
1978	sub reset_at {	2399	sub reset_at {
1979	my ($self) = @_;	2400	my ($self) = @_;
1980		2401
…		…
1998		2419
1999	my $lock = cf::lock_acquire "map_data:$self->{path}";	2420	my $lock = cf::lock_acquire "map_data:$self->{path}";
2000		2421
2001	return if $self->players;	2422	return if $self->players;
2002		2423
2003	warn "resetting map ", $self->path;	2424	cf::trace "resetting map ", $self->path, "\n";
2004		2425
2005	$self->in_memory (cf::MAP_SWAPPED);	2426	$self->in_memory (cf::MAP_SWAPPED);
2006		2427
2007	# need to save uniques path	2428	# need to save uniques path
2008	unless ($self->{deny_save}) {	2429	unless ($self->{deny_save}) {
…		…
2012	if $uniq;	2433	if $uniq;
2013	}	2434	}
2014		2435
2015	delete $cf::MAP{$self->path};	2436	delete $cf::MAP{$self->path};
2016		2437
		2438	$self->deactivate;
		2439	$_->clear_links_to ($self) for values %cf::MAP;
2017	$self->clear;	2440	$self->clear;
2018
2019	$_->clear_links_to ($self) for values %cf::MAP;
2020		2441
2021	$self->unlink_save;	2442	$self->unlink_save;
2022	$self->destroy;	2443	$self->destroy;
2023	}	2444	}
2024		2445
2025	my $nuke_counter = "aaaa";	2446	my $nuke_counter = "aaaa";
2026		2447
2027	sub nuke {	2448	sub nuke {
2028	my ($self) = @_;	2449	my ($self) = @_;
2029		2450
		2451	{
		2452	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2453
2030	delete $cf::MAP{$self->path};	2454	delete $cf::MAP{$self->path};
2031		2455
2032	$self->unlink_save;	2456	$self->unlink_save;
2033		2457
2034	bless $self, "cf::map";	2458	bless $self, "cf::map::wrap";
2035	delete $self->{deny_reset};	2459	delete $self->{deny_reset};
2036	$self->{deny_save} = 1;	2460	$self->{deny_save} = 1;
2037	$self->reset_timeout (1);	2461	$self->reset_timeout (1);
2038	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2462	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2039		2463
2040	$cf::MAP{$self->path} = $self;	2464	$cf::MAP{$self->path} = $self;
		2465	}
2041		2466
2042	$self->reset; # polite request, might not happen	2467	$self->reset; # polite request, might not happen
2043	}	2468	}
2044		2469
2045	=item $maps = cf::map::tmp_maps	2470	=item $maps = cf::map::tmp_maps
…		…
2087		2512
2088	sub unique_maps() {	2513	sub unique_maps() {
2089	[	2514	[
2090	map {	2515	map {
2091	utf8::decode $_;	2516	utf8::decode $_;
2092	/\.map$/	2517	s/\.map$//; # TODO future compatibility hack
		2518	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2519	? ()
2093	? normalise $_	2520	: normalise $_
2094	: ()
2095	} @{ aio_readdir $UNIQUEDIR or [] }	2521	} @{ aio_readdir $UNIQUEDIR or [] }
2096	]	2522	]
2097	}	2523	}
2098		2524
2099	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	}
2100		2556
2101	=back	2557	=back
2102		2558
2103	=head3 cf::object	2559	=head3 cf::object
2104		2560
…		…
2108		2564
2109	=over 4	2565	=over 4
2110		2566
2111	=item $ob->inv_recursive	2567	=item $ob->inv_recursive
2112		2568
2113	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.
2114		2571
2115	=cut	2572	=cut
2116		2573
2117	sub inv_recursive_;	2574	sub inv_recursive_;
2118	sub inv_recursive_ {	2575	sub inv_recursive_ {
…		…
2121		2578
2122	sub inv_recursive {	2579	sub inv_recursive {
2123	inv_recursive_ inv $_[0]	2580	inv_recursive_ inv $_[0]
2124	}	2581	}
2125		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
2126	package cf;	2611	package cf;
2127		2612
2128	=back	2613	=back
2129		2614
2130	=head3 cf::object::player	2615	=head3 cf::object::player
…		…
2136	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>
2137	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
2138	dialogue with the given NPC character.	2623	dialogue with the given NPC character.
2139		2624
2140	=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	};
2141		2640
2142	# rough implementation of a future "reply" method that works	2641	# rough implementation of a future "reply" method that works
2143	# with dialog boxes.	2642	# with dialog boxes.
2144	#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
2145	sub cf::object::player::reply($$$;$) {	2644	sub cf::object::player::reply($$$;$) {
…		…
2152		2651
2153	} else {	2652	} else {
2154	my $pl = $self->contr;	2653	my $pl = $self->contr;
2155		2654
2156	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2655	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2157	my $diag = $pl->{npc_dialog};	2656	my $dialog = $pl->{npc_dialog};
2158	$diag->{pl}->ext_reply (	2657	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2159	$diag->{id},
2160	msgtype => "reply",
2161	msg => $diag->{pl}->expand_cfpod ($msg),
2162	add_topics => []
2163	);
2164		2658
2165	} else {	2659	} else {
2166	$msg = $npc->name . " says: $msg" if $npc;	2660	$msg = $npc->name . " says: $msg" if $npc;
2167	$self->message ($msg, $flags);	2661	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2168	}	2662	}
2169	}	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 (@_);
2170	}	2674	}
2171		2675
2172	=item $player_object->may ("access")	2676	=item $player_object->may ("access")
2173		2677
2174	Returns wether the given player is authorized to access resource "access"	2678	Returns wether the given player is authorized to access resource "access"
…		…
2187		2691
2188	=item $player_object->enter_link	2692	=item $player_object->enter_link
2189		2693
2190	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}>).
2191		2695
2192	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.
2193	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.
2194		2700
2195	Will never block.	2701	Will never block.
2196		2702
2197	=item $player_object->leave_link ($map, $x, $y)	2703	=item $player_object->leave_link ($map, $x, $y)
2198		2704
…		…
2218	sub cf::object::player::enter_link {	2724	sub cf::object::player::enter_link {
2219	my ($self) = @_;	2725	my ($self) = @_;
2220		2726
2221	$self->deactivate_recursive;	2727	$self->deactivate_recursive;
2222		2728
		2729	++$self->{_link_recursion};
		2730
2223	return if UNIVERSAL::isa $self->map, "ext::map_link";	2731	return if UNIVERSAL::isa $self->map, "ext::map_link";
2224		2732
2225	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2733	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2226	if $self->map && $self->map->{path} ne "{link}";	2734	if $self->map && $self->map->{path} ne "{link}";
2227		2735
2228	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2736	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2229	}	2737	}
2230		2738
2231	sub cf::object::player::leave_link {	2739	sub cf::object::player::leave_link {
2232	my ($self, $map, $x, $y) = @_;	2740	my ($self, $map, $x, $y) = @_;
2233		2741
…		…
2250	($x, $y) = (-1, -1)	2758	($x, $y) = (-1, -1)
2251	unless (defined $x) && (defined $y);	2759	unless (defined $x) && (defined $y);
2252		2760
2253	# use -1 or undef as default coordinates, not 0, 0	2761	# use -1 or undef as default coordinates, not 0, 0
2254	($x, $y) = ($map->enter_x, $map->enter_y)	2762	($x, $y) = ($map->enter_x, $map->enter_y)
2255	if $x <=0 && $y <= 0;	2763	if $x <= 0 && $y <= 0;
2256		2764
2257	$map->load;	2765	$map->load;
2258	$map->load_diag;	2766	$map->load_neighbours;
2259		2767
2260	return unless $self->contr->active;	2768	return unless $self->contr->active;
2261	$self->activate_recursive;
2262		2769
2263	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2770	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2264	$self->enter_map ($map, $x, $y);	2771	if ($self->enter_map ($map, $x, $y)) {
2265	}	2772	# entering was successful
		2773	delete $self->{_link_recursion};
		2774	# only activate afterwards, to support waiting in hooks
		2775	$self->activate_recursive;
		2776	}
2266		2777
		2778	}
		2779
2267	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2780	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2268		2781
2269	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
2270	her, loading and preparing them map, calling the provided $check callback	2783	her, loading and preparing them map, calling the provided $check callback
2271	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
2272	the new (success) or old (failed) map position. In either case, $done will	2785	the new (success) or old (failed) map position. In either case, $done will
2273	be called at the end of this process.	2786	be called at the end of this process.
2274		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 >>.
		2790
2275	=cut	2791	=cut
2276		2792
2277	our $GOTOGEN;	2793	our $GOTOGEN;
2278		2794
2279	sub cf::object::player::goto {	2795	sub cf::object::player::goto {
2280	my ($self, $path, $x, $y, $check, $done) = @_;	2796	my ($self, $path, $x, $y, $check, $done) = @_;
2281		2797
		2798	if ($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	}
		2803
2282	# 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
2283	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2805	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2284		2806
2285	$self->enter_link;	2807	$self->enter_link;
2286		2808
2287	(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
2288	my $map = eval {	2831	my $map = eval {
2289	my $map = cf::map::find $path;	2832	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2290		2833
2291	if ($map) {	2834	if ($map) {
2292	$map = $map->customise_for ($self);	2835	$map = $map->customise_for ($self);
2293	$map = $check->($map) if $check && $map;	2836	$map = $check->($map, $x, $y, $self) if $check && $map;
2294	} else {	2837	} else {
2295	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2838	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2296	}	2839	}
2297		2840
2298	$map	2841	$map
2299	};	2842	};
2300		2843
…		…
2306	if ($gen == $self->{_goto_generation}) {	2849	if ($gen == $self->{_goto_generation}) {
2307	delete $self->{_goto_generation};	2850	delete $self->{_goto_generation};
2308	$self->leave_link ($map, $x, $y);	2851	$self->leave_link ($map, $x, $y);
2309	}	2852	}
2310		2853
2311	$done->() if $done;	2854	$done->($self) if $done;
2312	})->prio (1);	2855	})->prio (1);
2313	}	2856	}
2314		2857
2315	=item $player_object->enter_exit ($exit_object)	2858	=item $player_object->enter_exit ($exit_object)
2316		2859
…		…
2336	}	2879	}
2337		2880
2338	sub prepare_random_map {	2881	sub prepare_random_map {
2339	my ($exit) = @_;	2882	my ($exit) = @_;
2340		2883
2341	my $guard = cf::lock_acquire "exit_prepare:$exit";
2342
2343	# all this does is basically replace the /! path by	2884	# all this does is basically replace the /! path by
2344	# a new random map path (?random/...) with a seed	2885	# a new random map path (?random/...) with a seed
2345	# that depends on the exit object	2886	# that depends on the exit object
2346		2887
2347	my $rmp = parse_random_map_params $exit->msg;	2888	my $rmp = parse_random_map_params $exit->msg;
…		…
2349	if ($exit->map) {	2890	if ($exit->map) {
2350	$rmp->{region} = $exit->region->name;	2891	$rmp->{region} = $exit->region->name;
2351	$rmp->{origin_map} = $exit->map->path;	2892	$rmp->{origin_map} = $exit->map->path;
2352	$rmp->{origin_x} = $exit->x;	2893	$rmp->{origin_x} = $exit->x;
2353	$rmp->{origin_y} = $exit->y;	2894	$rmp->{origin_y} = $exit->y;
		2895
		2896	$exit->map->touch;
2354	}	2897	}
2355		2898
2356	$rmp->{random_seed} ||= $exit->random_seed;	2899	$rmp->{random_seed} ||= $exit->random_seed;
2357		2900
2358	my $data = cf::to_json $rmp;	2901	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2359	my $md5 = Digest::MD5::md5_hex $data;	2902	my $md5 = Digest::MD5::md5_hex $data;
2360	my $meta = "$RANDOMDIR/$md5.meta";	2903	my $meta = "$RANDOMDIR/$md5.meta";
2361		2904
2362	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2905	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2363	aio_write $fh, 0, (length $data), $data, 0;	2906	aio_write $fh, 0, (length $data), $data, 0;
2364	undef $fh;	2907	undef $fh;
2365	aio_rename "$meta~", $meta;	2908	aio_rename "$meta~", $meta;
2366		2909
		2910	my $slaying = "?random/$md5";
		2911
		2912	if ($exit->valid) {
2367	$exit->slaying ("?random/$md5");	2913	$exit->slaying ("?random/$md5");
2368	$exit->msg (undef);	2914	$exit->msg (undef);
		2915	}
2369	}	2916	}
2370	}	2917	}
2371		2918
2372	sub cf::object::player::enter_exit {	2919	sub cf::object::player::enter_exit {
2373	my ($self, $exit) = @_;	2920	my ($self, $exit) = @_;
2374		2921
2375	return unless $self->type == cf::PLAYER;	2922	return unless $self->type == cf::PLAYER;
2376		2923
2377	if ($exit->slaying eq "/!") {
2378	#TODO: this should de-fi-ni-te-ly not be a sync-job
2379	# the problem is that $exit might not survive long enough
2380	# so it needs to be done right now, right here
2381	cf::sync_job { prepare_random_map $exit };
2382	}
2383
2384	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2385	my $hp = $exit->stats->hp;
2386	my $sp = $exit->stats->sp;
2387
2388	$self->enter_link;	2924	$self->enter_link;
2389		2925
2390	# if exit is damned, update players death & WoR home-position
2391	$self->contr->savebed ($slaying, $hp, $sp)
2392	if $exit->flag (FLAG_DAMNED);
2393
2394	(async {	2926	(async {
2395	$self->deactivate_recursive; # just to be sure	2927	$Coro::current->{desc} = "enter_exit";
		2928
2396	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
2397	$self->goto ($slaying, $hp, $sp);	2944	$self->goto ($map, $x, $y);
2398		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
2399	1;	2950	1
2400	}) {	2951	}) {
2401	$self->message ("Something went wrong deep within the crossfire server. "	2952	$self->message ("Something went wrong deep within the deliantra server. "
2402	. "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. "
2403	. "Please report this to the dungeon master!",	2954	. "Please report this to the dungeon master!",
2404	cf::NDI_UNIQUE | cf::NDI_RED);	2955	cf::NDI_UNIQUE | cf::NDI_RED);
2405		2956
2406	warn "ERROR in enter_exit: $@";	2957	error "ERROR in enter_exit: $@";
2407	$self->leave_link;	2958	$self->leave_link;
2408	}	2959	}
2409	})->prio (1);	2960	})->prio (1);
2410	}	2961	}
2411		2962
…		…
2425		2976
2426	utf8::encode $text;	2977	utf8::encode $text;
2427	$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);
2428	}	2979	}
2429		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
2430	=item $client->send_msg ($color, $type, $msg, [extra...])	3006	=item $client->send_msg ($channel, $msg, $color, [extra...])
2431		3007
2432	Send a drawinfo or msg packet to the client, formatting the msg for the	3008	Send a drawinfo or msg packet to the client, formatting the msg for the
2433	client if neccessary. C<$type> should be a string identifying the type of	3009	client if neccessary. C<$type> should be a string identifying the type of
2434	the message, with C<log> being the default. If C<$color> is negative, suppress	3010	the message, with C<log> being the default. If C<$color> is negative, suppress
2435	the message unless the client supports the msg packet.	3011	the message unless the client supports the msg packet.
2436		3012
2437	=cut	3013	=cut
2438		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" => $CHAT_CHANNEL,
		3127	);
		3128
2439	sub cf::client::send_msg {	3129	sub cf::client::send_msg {
2440	my ($self, $color, $type, $msg, @extra) = @_;	3130	my ($self, $channel, $msg, $color, @extra) = @_;
2441		3131
2442	$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	}
2443		3153
2444	return unless @extra || length $msg;	3154	return unless @extra || length $msg;
2445		3155
2446	if ($self->can_msg) {	3156	# default colour, mask it out
2447	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3157	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2448	} else {	3158	if $color & cf::NDI_DEF;
2449	# replace some tags by gcfclient-compatible ones
2450	for ($msg) {
2451	1 while
2452	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2453	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2454	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2455	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2456	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2457	}
2458		3159
2459	if ($color >= 0) {	3160	my $pkt = "msg "
2460	if (0 && $msg =~ /\[/) {	3161	. $self->{json_coder}->encode (
2461	$self->send_packet ("drawextinfo $color 4 0 $msg")	3162	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2462	} else {	3163	);
2463	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2464	$self->send_packet ("drawinfo $color $msg")
2465	}
2466	}
2467	}
2468	}
2469		3164
		3165	$self->send_big_packet ($pkt);
		3166	}
		3167
2470	=item $client->ext_event ($type, %msg)	3168	=item $client->ext_msg ($type, @msg)
2471		3169
2472	Sends an ext event to the client.	3170	Sends an ext event to the client.
2473		3171
2474	=cut	3172	=cut
2475		3173
2476	sub cf::client::ext_event($$%) {	3174	sub cf::client::ext_msg($$@) {
2477	my ($self, $type, %msg) = @_;	3175	my ($self, $type, @msg) = @_;
2478		3176
2479	return unless $self->extcmd;	3177	if ($self->extcmd == 2) {
2480		3178	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3179	} elsif ($self->extcmd == 1) { # TODO: remove
2481	$msg{msgtype} = "event_$type";	3180	push @msg, msgtype => "event_$type";
2482	$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	}
2483	}	3201	}
2484		3202
2485	=item $success = $client->query ($flags, "text", \&cb)	3203	=item $success = $client->query ($flags, "text", \&cb)
2486		3204
2487	Queues a query to the client, calling the given callback with	3205	Queues a query to the client, calling the given callback with
…		…
2542	my ($ns, $buf) = @_;	3260	my ($ns, $buf) = @_;
2543		3261
2544	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3262	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2545		3263
2546	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
2547	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3272	if (my $cb = $EXTICMD{$type}) {
2548	if (my %reply = $cb->($ns, $msg)) {	3273	@reply = $cb->($ns, @payload);
2549	$reply{msgid} = $msg->{msgid};
2550	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2551	}
2552	}	3274	}
		3275
		3276	$ns->ext_reply ($reply, @reply)
		3277	if $reply;
		3278
2553	} else {	3279	} else {
2554	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";
2555	}	3281	}
2556		3282
2557	cf::override;	3283	cf::override;
2558	},	3284	},
2559	);	3285	);
…		…
2579		3305
2580	$coro	3306	$coro
2581	}	3307	}
2582		3308
2583	cf::client->attach (	3309	cf::client->attach (
2584	on_destroy => sub {	3310	on_client_destroy => sub {
2585	my ($ns) = @_;	3311	my ($ns) = @_;
2586		3312
2587	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3313	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2588	},	3314	},
2589	);	3315	);
…		…
2604	our $safe = new Safe "safe";	3330	our $safe = new Safe "safe";
2605	our $safe_hole = new Safe::Hole;	3331	our $safe_hole = new Safe::Hole;
2606		3332
2607	$SIG{FPE} = 'IGNORE';	3333	$SIG{FPE} = 'IGNORE';
2608		3334
2609	$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	));
2610		3340
2611	# here we export the classes and methods available to script code	3341	# here we export the classes and methods available to script code
2612		3342
2613	=pod	3343	=pod
2614		3344
2615	The following functions and methods are available within a safe environment:	3345	The following functions and methods are available within a safe environment:
2616		3346
2617	cf::object	3347	cf::object
2618	contr pay_amount pay_player map x y force_find force_add	3348	contr pay_amount pay_player map x y force_find force_add destroy
2619	insert remove	3349	insert remove name archname title slaying race decrease split
		3350	value
2620		3351
2621	cf::object::player	3352	cf::object::player
2622	player	3353	player
2623		3354
2624	cf::player	3355	cf::player
…		…
2629		3360
2630	=cut	3361	=cut
2631		3362
2632	for (	3363	for (
2633	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3364	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2634	insert remove)],	3365	insert remove inv nrof name archname title slaying race
		3366	decrease split destroy change_exp value msg lore send_msg)],
2635	["cf::object::player" => qw(player)],	3367	["cf::object::player" => qw(player)],
2636	["cf::player" => qw(peaceful)],	3368	["cf::player" => qw(peaceful send_msg)],
2637	["cf::map" => qw(trigger)],	3369	["cf::map" => qw(trigger)],
2638	) {	3370	) {
2639	no strict 'refs';
2640	my ($pkg, @funs) = @$_;	3371	my ($pkg, @funs) = @$_;
2641	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3372	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2642	for @funs;	3373	for @funs;
2643	}	3374	}
2644		3375
…		…
2659		3390
2660	my $qcode = $code;	3391	my $qcode = $code;
2661	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3392	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2662	$qcode =~ s/\n/\\n/g;	3393	$qcode =~ s/\n/\\n/g;
2663		3394
		3395	%vars = (_dummy => 0) unless %vars;
		3396
		3397	my @res;
2664	local $_;	3398	local $_;
2665	local @safe::cf::_safe_eval_args = values %vars;
2666		3399
2667	my $eval =	3400	my $eval =
2668	"do {\n"	3401	"do {\n"
2669	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3402	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2670	. "#line 0 \"{$qcode}\"\n"	3403	. "#line 0 \"{$qcode}\"\n"
2671	. $code	3404	. $code
2672	. "\n}"	3405	. "\n}"
2673	;	3406	;
2674		3407
		3408	if ($CFG{safe_eval}) {
2675	sub_generation_inc;	3409	sub_generation_inc;
		3410	local @safe::cf::_safe_eval_args = values %vars;
2676	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3411	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2677	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	}
2678		3417
2679	if ($@) {	3418	if ($@) {
2680	warn "$@";	3419	warn "$@",
2681	warn "while executing safe code '$code'\n";	3420	"while executing safe code '$code'\n",
2682	warn "with arguments " . (join " ", %vars) . "\n";	3421	"with arguments " . (join " ", %vars) . "\n";
2683	}	3422	}
2684		3423
2685	wantarray ? @res : $res[0]	3424	wantarray ? @res : $res[0]
2686	}	3425	}
2687		3426
…		…
2701	=cut	3440	=cut
2702		3441
2703	sub register_script_function {	3442	sub register_script_function {
2704	my ($fun, $cb) = @_;	3443	my ($fun, $cb) = @_;
2705		3444
2706	no strict 'refs';	3445	$fun = "safe::$fun" if $CFG{safe_eval};
2707	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3446	*$fun = $safe_hole->wrap ($cb);
2708	}	3447	}
2709		3448
2710	=back	3449	=back
2711		3450
2712	=cut	3451	=cut
…		…
2715	# the server's init and main functions	3454	# the server's init and main functions
2716		3455
2717	sub load_facedata($) {	3456	sub load_facedata($) {
2718	my ($path) = @_;	3457	my ($path) = @_;
2719		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
2720	warn "loading facedata from $path\n";	3465	trace "loading facedata from $path\n";
2721		3466
2722	my $facedata;	3467	my $facedata = decode_storable load_file $path;
2723	0 < aio_load $path, $facedata
2724	or die "$path: $!";
2725
2726	$facedata = Coro::Storable::thaw $facedata;
2727		3468
2728	$facedata->{version} == 2	3469	$facedata->{version} == 2
2729	or cf::cleanup "$path: version mismatch, cannot proceed.";	3470	or cf::cleanup "$path: version mismatch, cannot proceed.";
2730		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
2731	{	3481	{
2732	my $faces = $facedata->{faceinfo};	3482	my $faces = $facedata->{faceinfo};
2733		3483
2734	while (my ($face, $info) = each %$faces) {	3484	while (my ($face, $info) = each %$faces) {
2735	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3485	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3486
2736	cf::face::set_visibility $idx, $info->{visibility};	3487	cf::face::set_visibility $idx, $info->{visibility};
2737	cf::face::set_magicmap $idx, $info->{magicmap};	3488	cf::face::set_magicmap $idx, $info->{magicmap};
2738	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3489	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2739	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3490	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3491	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2740		3492
2741	cf::cede_to_tick;	3493	cf::cede_to_tick;
2742	}	3494	}
2743		3495
2744	while (my ($face, $info) = each %$faces) {	3496	while (my ($face, $info) = each %$faces) {
2745	next unless $info->{smooth};	3497	next unless $info->{smooth};
		3498
2746	my $idx = cf::face::find $face	3499	my $idx = cf::face::find $face
2747	or next;	3500	or next;
		3501
2748	if (my $smooth = cf::face::find $info->{smooth}) {	3502	if (my $smooth = cf::face::find $info->{smooth}) {
2749	cf::face::set_smooth $idx, $smooth;	3503	cf::face::set_smooth $idx, $smooth;
2750	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3504	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2751	} else {	3505	} else {
2752	warn "smooth face '$info->{smooth}' not found for face '$face'";	3506	error "smooth face '$info->{smooth}' not found for face '$face'";
2753	}	3507	}
2754		3508
2755	cf::cede_to_tick;	3509	cf::cede_to_tick;
2756	}	3510	}
2757	}	3511	}
…		…
2766		3520
2767	cf::anim::invalidate_all; # d'oh	3521	cf::anim::invalidate_all; # d'oh
2768	}	3522	}
2769		3523
2770	{	3524	{
2771	# TODO: for gcfclient pleasure, we should give resources
2772	# that gcfclient doesn't grok a >10000 face index.
2773	my $res = $facedata->{resource};	3525	my $res = $facedata->{resource};
2774	my $enc = JSON::XS->new->utf8->canonical;
2775		3526
2776	while (my ($name, $info) = each %$res) {	3527	while (my ($name, $info) = each %$res) {
2777	my $meta = $enc->encode ({	3528	if (defined $info->{type}) {
2778	name => $name,
2779	type => $info->{type},
2780	copyright => $info->{copyright}, #TODO#
2781	});
2782
2783	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3529	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2784		3530
2785	if ($name =~ /\.jpg$/) {
2786	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3531	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2787	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3532	cf::face::set_type $idx, $info->{type};
2788	} else {	3533	} else {
2789	my $data = pack "(w/a*)*", $meta, $info->{data};	3534	$RESOURCE{$name} = $info; # unused
2790	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2791
2792	cf::face::set_type $idx, 1;
2793	cf::face::set_data $idx, 0, $data, $chk;
2794	}	3535	}
2795		3536
2796	cf::cede_to_tick;	3537	cf::cede_to_tick;
2797	}	3538	}
2798	}	3539	}
2799		3540
		3541	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3542
2800	1	3543	1
2801	}	3544	}
2802		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
2803	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
2804	load_resource_file "$MAPDIR/regions"	3569	load_resource_file "$MAPDIR/regions"
2805	or die "unable to load regions file\n";	3570	or die "unable to load regions file\n";
2806		3571
2807	for (cf::region::list) {	3572	for (cf::region::list) {
2808	$_->{match} = qr/$_->{match}/	3573	$_->{match} = qr/$_->{match}/
…		…
2816	}	3581	}
2817		3582
2818	sub reload_archetypes {	3583	sub reload_archetypes {
2819	load_resource_file "$DATADIR/archetypes"	3584	load_resource_file "$DATADIR/archetypes"
2820	or die "unable to load archetypes\n";	3585	or die "unable to load archetypes\n";
2821	#d# NEED to laod twice to resolve forward references
2822	# this really needs to be done in an extra post-pass
2823	# (which needs to be synchronous, so solve it differently)
2824	load_resource_file "$DATADIR/archetypes"
2825	or die "unable to load archetypes\n";
2826	}	3586	}
2827		3587
2828	sub reload_treasures {	3588	sub reload_treasures {
2829	load_resource_file "$DATADIR/treasures"	3589	load_resource_file "$DATADIR/treasures"
2830	or die "unable to load treasurelists\n";	3590	or die "unable to load treasurelists\n";
2831	}	3591	}
2832		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
2833	sub reload_resources {	3613	sub reload_resources {
2834	warn "reloading resource files...\n";	3614	trace "reloading resource files...\n";
2835		3615
		3616	reload_exp_table;
		3617	reload_materials;
		3618	reload_facedata;
		3619	reload_sound;
		3620	reload_archetypes;
2836	reload_regions;	3621	reload_regions;
2837	reload_facedata;
2838	#reload_archetypes;#d#
2839	reload_archetypes;
2840	reload_treasures;	3622	reload_treasures;
2841		3623
2842	warn "finished reloading resource files\n";	3624	trace "finished reloading resource files\n";
2843	}	3625	}
2844		3626
2845	sub init {	3627	sub reload_config {
2846	reload_resources;	3628	trace "reloading config file...\n";
2847	}
2848		3629
2849	sub cfg_load {	3630	my $config = load_file "$CONFDIR/config";
2850	open my $fh, "<:utf8", "$CONFDIR/config"	3631	utf8::decode $config;
2851	or return;	3632	*CFG = decode_yaml $config;
2852		3633
2853	local $/;
2854	*CFG = YAML::Syck::Load <$fh>;
2855
2856	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3634	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2857		3635
2858	$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};
2859	$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};
2860		3638
2861	if (exists $CFG{mlockall}) {	3639	if (exists $CFG{mlockall}) {
…		…
2865	};	3643	};
2866	warn $@ if $@;	3644	warn $@ if $@;
2867	}	3645	}
2868	}	3646	}
2869		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
2870	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
2871	# we must not ever block the main coroutine	3686	# we must not ever block the main coroutine
2872	local $Coro::idle = sub {	3687	local $Coro::idle = sub {
2873	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#
2874	(async {	3689	(async {
2875	Event::one_event;	3690	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3691	EV::loop EV::LOOP_ONESHOT;
2876	})->prio (Coro::PRIO_MAX);	3692	})->prio (Coro::PRIO_MAX);
2877	};	3693	};
2878		3694
2879	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;
2880	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
2881	load_extensions;	3718	load_extensions;
2882		3719
2883	$TICK_WATCHER->start;	3720	utime time, time, $RUNTIMEFILE;
2884	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;
2885	}	3738	}
2886		3739
2887	#############################################################################	3740	#############################################################################
2888	# initialisation and cleanup	3741	# initialisation and cleanup
2889		3742
2890	# install some emergency cleanup handlers	3743	# install some emergency cleanup handlers
2891	BEGIN {	3744	BEGIN {
		3745	our %SIGWATCHER = ();
2892	for my $signal (qw(INT HUP TERM)) {	3746	for my $signal (qw(INT HUP TERM)) {
2893	Event->signal (	3747	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2894	reentrant => 0,
2895	data => WF_AUTOCANCEL,
2896	signal => $signal,
2897	prio => 0,
2898	cb => sub {
2899	cf::cleanup "SIG$signal";	3748	cf::cleanup "SIG$signal";
2900	},
2901	);	3749	};
2902	}	3750	}
2903	}	3751	}
2904		3752
2905	sub write_runtime {	3753	sub write_runtime_sync {
2906	my $runtime = "$LOCALDIR/runtime";	3754	my $t0 = AE::time;
2907		3755
2908	# first touch the runtime file to show we are still running:	3756	# first touch the runtime file to show we are still running:
2909	# the fsync below can take a very very long time.	3757	# the fsync below can take a very very long time.
2910		3758
2911	IO::AIO::aio_utime $runtime, undef, undef;	3759	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2912		3760
2913	my $guard = cf::lock_acquire "write_runtime";	3761	my $guard = cf::lock_acquire "write_runtime";
2914		3762
2915	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3763	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2916	or return;	3764	or return;
2917		3765
2918	my $value = $cf::RUNTIME + 90 + 10;	3766	my $value = $cf::RUNTIME + 90 + 10;
2919	# 10 is the runtime save interval, for a monotonic clock	3767	# 10 is the runtime save interval, for a monotonic clock
2920	# 60 allows for the watchdog to kill the server.	3768	# 60 allows for the watchdog to kill the server.
…		…
2930	aio_utime $fh, undef, undef;	3778	aio_utime $fh, undef, undef;
2931		3779
2932	close $fh	3780	close $fh
2933	or return;	3781	or return;
2934		3782
2935	aio_rename "$runtime~", $runtime	3783	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2936	and return;	3784	and return;
2937		3785
2938	warn "runtime file written.\n";	3786	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2939		3787
2940	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 };
2941	}	3839	}
2942		3840
2943	sub emergency_save() {	3841	sub emergency_save() {
2944	my $freeze_guard = cf::freeze_mainloop;	3842	my $freeze_guard = cf::freeze_mainloop;
2945		3843
2946	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;
2947		3850
2948	cf::sync_job {	3851	cf::sync_job {
		3852	cf::write_runtime_sync; # external watchdog should not bark
		3853
2949	# use a peculiar iteration method to avoid tripping on perl	3854	# use a peculiar iteration method to avoid tripping on perl
2950	# refcount bugs in for. also avoids problems with players	3855	# refcount bugs in for. also avoids problems with players
2951	# and maps saved/destroyed asynchronously.	3856	# and maps saved/destroyed asynchronously.
2952	warn "begin emergency player save\n";	3857	info "emergency_perl_save: begin player save\n";
2953	for my $login (keys %cf::PLAYER) {	3858	for my $login (keys %cf::PLAYER) {
2954	my $pl = $cf::PLAYER{$login} or next;	3859	my $pl = $cf::PLAYER{$login} or next;
2955	$pl->valid or next;	3860	$pl->valid or next;
		3861	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2956	$pl->save;	3862	$pl->save;
2957	}	3863	}
2958	warn "end emergency player save\n";	3864	info "emergency_perl_save: end player save\n";
2959		3865
2960	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";
2961	for my $path (keys %cf::MAP) {	3869	for my $path (keys %cf::MAP) {
2962	my $map = $cf::MAP{$path} or next;	3870	my $map = $cf::MAP{$path} or next;
2963	$map->valid or next;	3871	$map->valid or next;
2964	$map->save;	3872	$map->save;
2965	}	3873	}
2966	warn "end emergency map save\n";	3874	info "emergency_perl_save: end map save\n";
2967		3875
2968	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";
2969	BDB::db_env_txn_checkpoint $DB_ENV;	3879	BDB::db_env_txn_checkpoint $DB_ENV;
2970	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
2971	};	3904	};
2972		3905
2973	warn "leave emergency perl save\n";	3906	info "emergency_perl_save: leave\n";
2974	}	3907	}
2975		3908
2976	sub post_cleanup {	3909	sub post_cleanup {
2977	my ($make_core) = @_;	3910	my ($make_core) = @_;
2978		3911
		3912	IO::AIO::flush;
		3913
2979	warn Carp::longmess "post_cleanup backtrace"	3914	error Carp::longmess "post_cleanup backtrace"
2980	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	}
2981	}	3944	}
2982		3945
2983	sub do_reload_perl() {	3946	sub do_reload_perl() {
2984	# can/must only be called in main	3947	# can/must only be called in main
2985	if ($Coro::current != $Coro::main) {	3948	unless (in_main) {
2986	warn "can only reload from main coroutine";	3949	error "can only reload from main coroutine";
2987	return;	3950	return;
2988	}	3951	}
2989		3952
2990	warn "reloading...";	3953	return if $RELOAD++;
2991		3954
2992	warn "entering sync_job";	3955	my $t1 = AE::time;
2993		3956
		3957	while ($RELOAD) {
		3958	cf::get_slot 0.1, -1, "reload_perl";
		3959	info "perl_reload: reloading...";
		3960
		3961	trace "perl_reload: entering sync_job";
		3962
2994	cf::sync_job {	3963	cf::sync_job {
2995	cf::write_runtime; # external watchdog should not bark
2996	cf::emergency_save;	3964	#cf::emergency_save;
2997	cf::write_runtime; # external watchdog should not bark
2998		3965
2999	warn "syncing database to disk";
3000	BDB::db_env_txn_checkpoint $DB_ENV;
3001
3002	# if anything goes wrong in here, we should simply crash as we already saved
3003
3004	warn "cancelling all WF_AUTOCANCEL watchers";
3005	for (Event::all_watchers) {
3006	$_->cancel if $_->data & WF_AUTOCANCEL;
3007	}
3008
3009	warn "flushing outstanding aio requests";
3010	for (;;) {
3011	BDB::flush;
3012	IO::AIO::flush;
3013	Coro::cede;
3014	last unless IO::AIO::nreqs || BDB::nreqs;
3015	warn "iterate...";
3016	}
3017
3018	++$RELOAD;
3019
3020	warn "cancelling all extension coros";	3966	trace "perl_reload: cancelling all extension coros";
3021	$_->cancel for values %EXT_CORO;	3967	$_->cancel for values %EXT_CORO;
3022	%EXT_CORO = ();	3968	%EXT_CORO = ();
3023		3969
3024	warn "removing commands";	3970	trace "perl_reload: removing commands";
3025	%COMMAND = ();	3971	%COMMAND = ();
3026		3972
3027	warn "removing ext/exti commands";	3973	trace "perl_reload: removing ext/exti commands";
3028	%EXTCMD = ();	3974	%EXTCMD = ();
3029	%EXTICMD = ();	3975	%EXTICMD = ();
3030		3976
3031	warn "unloading/nuking all extensions";	3977	trace "perl_reload: unloading/nuking all extensions";
3032	for my $pkg (@EXTS) {	3978	for my $pkg (@EXTS) {
3033	warn "... unloading $pkg";	3979	trace "... unloading $pkg";
3034		3980
3035	if (my $cb = $pkg->can ("unload")) {	3981	if (my $cb = $pkg->can ("unload")) {
3036	eval {	3982	eval {
3037	$cb->($pkg);	3983	$cb->($pkg);
3038	1	3984	1
3039	} 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;
3040	}	3990	}
3041		3991
3042	warn "... nuking $pkg";
3043	Symbol::delete_package $pkg;
3044	}
3045
3046	warn "unloading all perl modules loaded from $LIBDIR";	3992	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3047	while (my ($k, $v) = each %INC) {	3993	while (my ($k, $v) = each %INC) {
3048	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3994	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3049		3995
3050	warn "... unloading $k";	3996	trace "... unloading $k";
3051	delete $INC{$k};	3997	delete $INC{$k};
3052		3998
3053	$k =~ s/\.pm$//;	3999	$k =~ s/\.pm$//;
3054	$k =~ s/\//::/g;	4000	$k =~ s/\//::/g;
3055		4001
3056	if (my $cb = $k->can ("unload_module")) {	4002	if (my $cb = $k->can ("unload_module")) {
3057	$cb->();	4003	$cb->();
		4004	}
		4005
		4006	clear_package $k;
3058	}	4007	}
3059		4008
3060	Symbol::delete_package $k;
3061	}
3062
3063	warn "getting rid of safe::, as good as possible";	4009	trace "perl_reload: getting rid of safe::, as good as possible";
3064	Symbol::delete_package "safe::$_"	4010	clear_package "safe::$_"
3065	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);
3066		4012
3067	warn "unloading cf.pm \"a bit\"";	4013	trace "perl_reload: unloading cf.pm \"a bit\"";
3068	delete $INC{"cf.pm"};	4014	delete $INC{"cf.pm"};
3069	delete $INC{"cf/pod.pm"};	4015	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3070		4016
3071	# don't, removes xs symbols, too,	4017	# don't, removes xs symbols, too,
3072	# and global variables created in xs	4018	# and global variables created in xs
3073	#Symbol::delete_package __PACKAGE__;	4019	#clear_package __PACKAGE__;
3074		4020
3075	warn "unload completed, starting to reload now";	4021	info "perl_reload: unload completed, starting to reload now";
3076		4022
3077	warn "reloading cf.pm";	4023	trace "perl_reload: reloading cf.pm";
3078	require cf;	4024	require cf;
3079	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4025	cf::_connect_to_perl_1;
3080		4026
3081	warn "loading config and database again";	4027	trace "perl_reload: loading config and database again";
3082	cf::cfg_load;	4028	cf::reload_config;
3083		4029
3084	warn "loading extensions";	4030	trace "perl_reload: loading extensions";
3085	cf::load_extensions;	4031	cf::load_extensions;
3086		4032
		4033	if ($REATTACH_ON_RELOAD) {
3087	warn "reattaching attachments to objects/players";	4034	trace "perl_reload: reattaching attachments to objects/players";
3088	_global_reattach; # objects, sockets	4035	_global_reattach; # objects, sockets
3089	warn "reattaching attachments to maps";	4036	trace "perl_reload: reattaching attachments to maps";
3090	reattach $_ for values %MAP;	4037	reattach $_ for values %MAP;
3091	warn "reattaching attachments to players";	4038	trace "perl_reload: reattaching attachments to players";
3092	reattach $_ for values %PLAYER;	4039	reattach $_ for values %PLAYER;
		4040	}
3093		4041
3094	warn "leaving sync_job";	4042	cf::_post_init 1;
3095		4043
		4044	trace "perl_reload: leaving sync_job";
		4045
3096	1	4046	1
3097	} or do {	4047	} or do {
3098	warn $@;	4048	error $@;
3099	warn "error while reloading, exiting.";	4049	cf::cleanup "perl_reload: error, exiting.";
3100	exit 1;	4050	};
		4051
		4052	--$RELOAD;
3101	};	4053	}
3102		4054
3103	warn "reloaded";	4055	$t1 = AE::time - $t1;
		4056	info "perl_reload: completed in ${t1}s\n";
3104	};	4057	};
3105		4058
3106	our $RELOAD_WATCHER; # used only during reload	4059	our $RELOAD_WATCHER; # used only during reload
3107		4060
3108	sub reload_perl() {	4061	sub reload_perl() {
3109	# doing reload synchronously and two reloads happen back-to-back,	4062	# doing reload synchronously and two reloads happen back-to-back,
3110	# coro crashes during coro_state_free->destroy here.	4063	# coro crashes during coro_state_free->destroy here.
3111		4064
3112	$RELOAD_WATCHER ||= Event->timer (	4065	$RELOAD_WATCHER ||= cf::async {
3113	reentrant => 0,	4066	Coro::AIO::aio_wait cache_extensions;
3114	after => 0,	4067
3115	data => WF_AUTOCANCEL,	4068	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3116	cb => sub {
3117	do_reload_perl;	4069	do_reload_perl;
3118	undef $RELOAD_WATCHER;	4070	undef $RELOAD_WATCHER;
3119	},	4071	};
3120	);	4072	};
3121	}	4073	}
3122		4074
3123	register_command "reload" => sub {	4075	register_command "reload" => sub {
3124	my ($who, $arg) = @_;	4076	my ($who, $arg) = @_;
3125		4077
3126	if ($who->flag (FLAG_WIZ)) {	4078	if ($who->flag (FLAG_WIZ)) {
3127	$who->message ("reloading server.");	4079	$who->message ("reloading server.");
		4080	async {
		4081	$Coro::current->{desc} = "perl_reload";
3128	async { reload_perl };	4082	reload_perl;
		4083	};
3129	}	4084	}
3130	};	4085	};
3131		4086
3132	unshift @INC, $LIBDIR;	4087	#############################################################################
3133		4088
3134	my $bug_warning = 0;	4089	my $bug_warning = 0;
3135		4090
3136	our @WAIT_FOR_TICK;	4091	our @WAIT_FOR_TICK;
3137	our @WAIT_FOR_TICK_BEGIN;	4092	our @WAIT_FOR_TICK_BEGIN;
3138		4093
3139	sub wait_for_tick {	4094	sub wait_for_tick() {
3140	return unless $TICK_WATCHER->is_active;
3141	return if $Coro::current == $Coro::main;	4095	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3142		4096
3143	my $signal = new Coro::Signal;	4097	my $signal = new Coro::Signal;
3144	push @WAIT_FOR_TICK, $signal;	4098	push @WAIT_FOR_TICK, $signal;
3145	$signal->wait;	4099	$signal->wait;
3146	}	4100	}
3147		4101
3148	sub wait_for_tick_begin {	4102	sub wait_for_tick_begin() {
3149	return unless $TICK_WATCHER->is_active;
3150	return if $Coro::current == $Coro::main;	4103	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3151		4104
3152	my $signal = new Coro::Signal;	4105	my $signal = new Coro::Signal;
3153	push @WAIT_FOR_TICK_BEGIN, $signal;	4106	push @WAIT_FOR_TICK_BEGIN, $signal;
3154	$signal->wait;	4107	$signal->wait;
3155	}	4108	}
3156		4109
3157	my $min = 1e6;#d#	4110	sub tick {
3158	my $avg = 10;
3159	$TICK_WATCHER = Event->timer (
3160	reentrant => 0,
3161	parked => 1,
3162	prio => 0,
3163	at => $NEXT_TICK || $TICK,
3164	data => WF_AUTOCANCEL,
3165	cb => sub {
3166	if ($Coro::current != $Coro::main) {	4111	if ($Coro::current != $Coro::main) {
3167	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4112	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3168	unless ++$bug_warning > 10;	4113	unless ++$bug_warning > 10;
3169	return;	4114	return;
3170	}	4115	}
3171		4116
3172	$NOW = $tick_start = Event::time;
3173
3174	cf::server_tick; # one server iteration	4117	cf::server_tick; # one server iteration
3175		4118
3176	0 && sync_job {#d#	4119	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3177	for(1..10) {
3178	my $t = Event::time;
3179	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3180	or die;
3181		4120
3182	$map->width (50);	4121	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3183	$map->height (50);	4122	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3184	$map->alloc;	4123	Coro::async_pool {
3185	$map->_load_objects ("/tmp/x.map", 1);	4124	$Coro::current->{desc} = "runtime saver";
3186	my $t = Event::time - $t;	4125	write_runtime_sync
3187		4126	or error "ERROR: unable to write runtime file: $!";
3188	#next unless $t < 0.0013;#d#
3189	if ($t < $min) {
3190	$min = $t;
3191	}
3192	$avg = $avg * 0.99 + $t * 0.01;
3193	}
3194	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3195	exit 0;
3196	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3197	};	4127	};
		4128	}
3198		4129
3199	$RUNTIME += $TICK;
3200	$NEXT_TICK += $TICK;
3201
3202	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3203	$NEXT_RUNTIME_WRITE = $NOW + 10;
3204	Coro::async_pool {
3205	write_runtime
3206	or warn "ERROR: unable to write runtime file: $!";
3207	};
3208	}
3209
3210	# my $AFTER = Event::time;
3211	# warn $AFTER - $NOW;#d#
3212
3213	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4130	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3214	$sig->send;	4131	$sig->send;
3215	}	4132	}
3216	while (my $sig = shift @WAIT_FOR_TICK) {	4133	while (my $sig = shift @WAIT_FOR_TICK) {
3217	$sig->send;	4134	$sig->send;
3218	}	4135	}
3219		4136
3220	$NOW = Event::time;	4137	$LOAD = ($NOW - $TICK_START) / $TICK;
3221
3222	# if we are delayed by four ticks or more, skip them all
3223	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3224
3225	$TICK_WATCHER->at ($NEXT_TICK);
3226	$TICK_WATCHER->start;
3227
3228	$LOAD = ($NOW - $tick_start) / $TICK;
3229	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4138	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3230		4139
3231	_post_tick;	4140	if (0) {
3232		4141	if ($NEXT_TICK) {
3233		4142	my $jitter = $TICK_START - $NEXT_TICK;
		4143	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4144	debug "jitter $JITTER\n";#d#
		4145	}
3234	},	4146	}
3235	);	4147	}
3236		4148
3237	{	4149	{
3238	BDB::max_poll_time $TICK * 0.1;	4150	# configure BDB
3239	$BDB_POLL_WATCHER = Event->io (	4151
3240	reentrant => 0,
3241	fd => BDB::poll_fileno,
3242	poll => 'r',
3243	prio => 0,
3244	data => WF_AUTOCANCEL,
3245	cb => \&BDB::poll_cb,
3246	);
3247	BDB::min_parallel 8;	4152	BDB::min_parallel 16;
3248		4153	BDB::max_poll_reqs $TICK * 0.1;
3249	BDB::set_sync_prepare {	4154	$AnyEvent::BDB::WATCHER->priority (1);
3250	my $status;
3251	my $current = $Coro::current;
3252	(
3253	sub {
3254	$status = $!;
3255	$current->ready; undef $current;
3256	},
3257	sub {
3258	Coro::schedule while defined $current;
3259	$! = $status;
3260	},
3261	)
3262	};
3263		4155
3264	unless ($DB_ENV) {	4156	unless ($DB_ENV) {
3265	$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);
3266		4163
3267	cf::sync_job {	4164	cf::sync_job {
3268	eval {	4165	eval {
3269	BDB::db_env_open	4166	BDB::db_env_open
3270	$DB_ENV,	4167	$DB_ENV,
…		…
3272	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4169	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3273	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4170	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3274	0666;	4171	0666;
3275		4172
3276	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4173	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3277
3278	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3279	$DB_ENV->set_lk_detect;
3280	};	4174	};
3281		4175
3282	cf::cleanup "db_env_open(db): $@" if $@;	4176	cf::cleanup "db_env_open(db): $@" if $@;
3283	};	4177	};
3284	}	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	};
3285	}	4189	}
3286		4190
3287	{	4191	{
		4192	# configure IO::AIO
		4193
3288	IO::AIO::min_parallel 8;	4194	IO::AIO::min_parallel 8;
3289
3290	undef $Coro::AIO::WATCHER;
3291	IO::AIO::max_poll_time $TICK * 0.1;	4195	IO::AIO::max_poll_time $TICK * 0.1;
3292	$AIO_POLL_WATCHER = Event->io (	4196	undef $AnyEvent::AIO::WATCHER;
3293	reentrant => 0,
3294	data => WF_AUTOCANCEL,
3295	fd => IO::AIO::poll_fileno,
3296	poll => 'r',
3297	prio => 6,
3298	cb => \&IO::AIO::poll_cb,
3299	);
3300	}	4197	}
3301		4198
3302	my $_log_backtrace;	4199	our $_log_backtrace;
		4200	our $_log_backtrace_last;
3303		4201
3304	sub _log_backtrace {	4202	sub _log_backtrace {
3305	my ($msg, @addr) = @_;	4203	my ($msg, @addr) = @_;
3306		4204
3307	$msg =~ s/\n//;	4205	$msg =~ s/\n$//;
3308		4206
		4207	if ($_log_backtrace_last eq $msg) {
		4208	LOG llevInfo, "[ABT] $msg\n";
		4209	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3309	# limit the # of concurrent backtraces	4210	# limit the # of concurrent backtraces
3310	if ($_log_backtrace < 2) {	4211	} elsif ($_log_backtrace < 2) {
		4212	$_log_backtrace_last = $msg;
3311	++$_log_backtrace;	4213	++$_log_backtrace;
		4214	my $perl_bt = Carp::longmess $msg;
3312	async {	4215	async {
		4216	$Coro::current->{desc} = "abt $msg";
		4217
3313	my @bt = fork_call {	4218	my @bt = fork_call {
3314	@addr = map { sprintf "%x", $_ } @addr;	4219	@addr = map { sprintf "%x", $_ } @addr;
3315	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4220	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3316	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 |"
3317	or die "addr2line: $!";	4222	or die "addr2line: $!";
…		…
3325	}	4230	}
3326		4231
3327	@funcs	4232	@funcs
3328	};	4233	};
3329		4234
3330	LOG llevInfo, "[ABT] $msg\n";	4235	LOG llevInfo, "[ABT] $perl_bt\n";
		4236	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3331	LOG llevInfo, "[ABT] $_\n" for @bt;	4237	LOG llevInfo, "[ABT] $_\n" for @bt;
3332	--$_log_backtrace;	4238	--$_log_backtrace;
3333	};	4239	};
3334	} else {	4240	} else {
3335	LOG llevInfo, "[ABT] $msg\n";	4241	LOG llevInfo, "[ABT] $msg\n";
3336	LOG llevInfo, "[ABT] [suppressed]\n";	4242	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3337	}	4243	}
3338	}	4244	}
3339		4245
3340	# load additional modules	4246	# load additional modules
3341	use cf::pod;	4247	require "cf/$_.pm" for @EXTRA_MODULES;
		4248	cf::_connect_to_perl_2;
3342		4249
3343	END { cf::emergency_save }	4250	END { cf::emergency_save }
3344		4251
3345	1	4252	1
3346		4253

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